Home / 6,340.06-8,747.80-3,685.87

Finding the Fourth Proportional to 6,340.06, 8,747.80 and 3,685.87

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Solution

The fourth proportional to 6,340.06, 8,747.80 and 3,685.87 is: 5,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.06 : 8,747.80 = 3,685.87 : x
  2. Step 2: Convert to fraction form
    6,340.06/8,747.80 = 3,685.87/x
  3. Step 3: Cross multiply
    6,340.06x = 8,747.80 × 3,685.87
  4. Step 4: Simplify right side
    6,340.06x = 32,243,253.59
  5. Step 5: Solve for x
    x = 32,243,253.59/6,340.06
  6. Step 6: Final answer
    x = 5,085.64

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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.