Home / 5,158.57-7,738-1,262.97

Finding the Fourth Proportional to 5,158.57, 7,738 and 1,262.97

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Solution

The fourth proportional to 5,158.57, 7,738 and 1,262.97 is: 1,894.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.57 : 7,738 = 1,262.97 : x
  2. Step 2: Convert to fraction form
    5,158.57/7,738 = 1,262.97/x
  3. Step 3: Cross multiply
    5,158.57x = 7,738 × 1,262.97
  4. Step 4: Simplify right side
    5,158.57x = 9,772,861.86
  5. Step 5: Solve for x
    x = 9,772,861.86/5,158.57
  6. Step 6: Final answer
    x = 1,894.49

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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.