Home / 8,474.29-11,690.57-5,332.21

Finding the Fourth Proportional to 8,474.29, 11,690.57 and 5,332.21

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Solution

The fourth proportional to 8,474.29, 11,690.57 and 5,332.21 is: 7,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.29 : 11,690.57 = 5,332.21 : x
  2. Step 2: Convert to fraction form
    8,474.29/11,690.57 = 5,332.21/x
  3. Step 3: Cross multiply
    8,474.29x = 11,690.57 × 5,332.21
  4. Step 4: Simplify right side
    8,474.29x = 62,336,547.60
  5. Step 5: Solve for x
    x = 62,336,547.60/8,474.29
  6. Step 6: Final answer
    x = 7,355.96

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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.