Home / 9,468.77-13,065.84-5,691.20

Finding the Fourth Proportional to 9,468.77, 13,065.84 and 5,691.20

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Solution

The fourth proportional to 9,468.77, 13,065.84 and 5,691.20 is: 7,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,468.77 : 13,065.84 = 5,691.20 : x
  2. Step 2: Convert to fraction form
    9,468.77/13,065.84 = 5,691.20/x
  3. Step 3: Cross multiply
    9,468.77x = 13,065.84 × 5,691.20
  4. Step 4: Simplify right side
    9,468.77x = 74,360,243.28
  5. Step 5: Solve for x
    x = 74,360,243.28/9,468.77
  6. Step 6: Final answer
    x = 7,853.21

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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.