Home / 5,158.30-7,737.47-1,262.71

Finding the Fourth Proportional to 5,158.30, 7,737.47 and 1,262.71

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Solution

The fourth proportional to 5,158.30, 7,737.47 and 1,262.71 is: 1,894.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.30 : 7,737.47 = 1,262.71 : x
  2. Step 2: Convert to fraction form
    5,158.30/7,737.47 = 1,262.71/x
  3. Step 3: Cross multiply
    5,158.30x = 7,737.47 × 1,262.71
  4. Step 4: Simplify right side
    5,158.30x = 9,770,152.42
  5. Step 5: Solve for x
    x = 9,770,152.42/5,158.30
  6. Step 6: Final answer
    x = 1,894.06

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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.