Home / 9,331.71-12,877.53-5,352.56

Finding the Fourth Proportional to 9,331.71, 12,877.53 and 5,352.56

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Solution

The fourth proportional to 9,331.71, 12,877.53 and 5,352.56 is: 7,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.71 : 12,877.53 = 5,352.56 : x
  2. Step 2: Convert to fraction form
    9,331.71/12,877.53 = 5,352.56/x
  3. Step 3: Cross multiply
    9,331.71x = 12,877.53 × 5,352.56
  4. Step 4: Simplify right side
    9,331.71x = 68,927,818.35
  5. Step 5: Solve for x
    x = 68,927,818.35/9,331.71
  6. Step 6: Final answer
    x = 7,386.41

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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.