Home / 10,352.78-14,287.40-5,877.13

Finding the Fourth Proportional to 10,352.78, 14,287.40 and 5,877.13

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Solution

The fourth proportional to 10,352.78, 14,287.40 and 5,877.13 is: 8,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.78 : 14,287.40 = 5,877.13 : x
  2. Step 2: Convert to fraction form
    10,352.78/14,287.40 = 5,877.13/x
  3. Step 3: Cross multiply
    10,352.78x = 14,287.40 × 5,877.13
  4. Step 4: Simplify right side
    10,352.78x = 83,968,864.10
  5. Step 5: Solve for x
    x = 83,968,864.10/10,352.78
  6. Step 6: Final answer
    x = 8,110.75

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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.