Home / 9,631.91-13,291.36-5,439.35

Finding the Fourth Proportional to 9,631.91, 13,291.36 and 5,439.35

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Solution

The fourth proportional to 9,631.91, 13,291.36 and 5,439.35 is: 7,505.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.91 : 13,291.36 = 5,439.35 : x
  2. Step 2: Convert to fraction form
    9,631.91/13,291.36 = 5,439.35/x
  3. Step 3: Cross multiply
    9,631.91x = 13,291.36 × 5,439.35
  4. Step 4: Simplify right side
    9,631.91x = 72,296,278.96
  5. Step 5: Solve for x
    x = 72,296,278.96/9,631.91
  6. Step 6: Final answer
    x = 7,505.92

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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.