Home / 9,335.13-12,882.48-5,356.07

Finding the Fourth Proportional to 9,335.13, 12,882.48 and 5,356.07

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Solution

The fourth proportional to 9,335.13, 12,882.48 and 5,356.07 is: 7,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.13 : 12,882.48 = 5,356.07 : x
  2. Step 2: Convert to fraction form
    9,335.13/12,882.48 = 5,356.07/x
  3. Step 3: Cross multiply
    9,335.13x = 12,882.48 × 5,356.07
  4. Step 4: Simplify right side
    9,335.13x = 68,999,437.87
  5. Step 5: Solve for x
    x = 68,999,437.87/9,335.13
  6. Step 6: Final answer
    x = 7,391.38

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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.