Home / 9,285.38-13,931.58-5,590.22

Finding the Fourth Proportional to 9,285.38, 13,931.58 and 5,590.22

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Solution

The fourth proportional to 9,285.38, 13,931.58 and 5,590.22 is: 8,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.38 : 13,931.58 = 5,590.22 : x
  2. Step 2: Convert to fraction form
    9,285.38/13,931.58 = 5,590.22/x
  3. Step 3: Cross multiply
    9,285.38x = 13,931.58 × 5,590.22
  4. Step 4: Simplify right side
    9,285.38x = 77,880,597.15
  5. Step 5: Solve for x
    x = 77,880,597.15/9,285.38
  6. Step 6: Final answer
    x = 8,387.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.