Home / 6,749,439-9,314,219.77-3,809,874.84

Finding the Fourth Proportional to 6,749,439, 9,314,219.77 and 3,809,874.84

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Solution

The fourth proportional to 6,749,439, 9,314,219.77 and 3,809,874.84 is: 5,257,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749,439 : 9,314,219.77 = 3,809,874.84 : x
  2. Step 2: Convert to fraction form
    6,749,439/9,314,219.77 = 3,809,874.84/x
  3. Step 3: Cross multiply
    6,749,439x = 9,314,219.77 × 3,809,874.84
  4. Step 4: Simplify right side
    6,749,439x = 35,486,011,555,953.59
  5. Step 5: Solve for x
    x = 35,486,011,555,953.59/6,749,439
  6. Step 6: Final answer
    x = 5,257,623.86

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.