Home / 5,127.92-7,089.20-5,081.23

Finding the Fourth Proportional to 5,127.92, 7,089.20 and 5,081.23

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Solution

The fourth proportional to 5,127.92, 7,089.20 and 5,081.23 is: 7,024.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.92 : 7,089.20 = 5,081.23 : x
  2. Step 2: Convert to fraction form
    5,127.92/7,089.20 = 5,081.23/x
  3. Step 3: Cross multiply
    5,127.92x = 7,089.20 × 5,081.23
  4. Step 4: Simplify right side
    5,127.92x = 36,021,886.81
  5. Step 5: Solve for x
    x = 36,021,886.81/5,127.92
  6. Step 6: Final answer
    x = 7,024.65

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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.