Home / 7,776.90-10,732.37-4,240.44

Finding the Fourth Proportional to 7,776.90, 10,732.37 and 4,240.44

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Solution

The fourth proportional to 7,776.90, 10,732.37 and 4,240.44 is: 5,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.90 : 10,732.37 = 4,240.44 : x
  2. Step 2: Convert to fraction form
    7,776.90/10,732.37 = 4,240.44/x
  3. Step 3: Cross multiply
    7,776.90x = 10,732.37 × 4,240.44
  4. Step 4: Simplify right side
    7,776.90x = 45,509,949.84
  5. Step 5: Solve for x
    x = 45,509,949.84/7,776.90
  6. Step 6: Final answer
    x = 5,851.94

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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.