Home / 6,127.20-9,140.76-5,263.20

Finding the Fourth Proportional to 6,127.20, 9,140.76 and 5,263.20

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Solution

The fourth proportional to 6,127.20, 9,140.76 and 5,263.20 is: 7,851.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.20 : 9,140.76 = 5,263.20 : x
  2. Step 2: Convert to fraction form
    6,127.20/9,140.76 = 5,263.20/x
  3. Step 3: Cross multiply
    6,127.20x = 9,140.76 × 5,263.20
  4. Step 4: Simplify right side
    6,127.20x = 48,109,648.03
  5. Step 5: Solve for x
    x = 48,109,648.03/6,127.20
  6. Step 6: Final answer
    x = 7,851.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.