Home / 7,344.14-10,127.90-5,340.80

Finding the Fourth Proportional to 7,344.14, 10,127.90 and 5,340.80

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Solution

The fourth proportional to 7,344.14, 10,127.90 and 5,340.80 is: 7,365.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.14 : 10,127.90 = 5,340.80 : x
  2. Step 2: Convert to fraction form
    7,344.14/10,127.90 = 5,340.80/x
  3. Step 3: Cross multiply
    7,344.14x = 10,127.90 × 5,340.80
  4. Step 4: Simplify right side
    7,344.14x = 54,091,126.99
  5. Step 5: Solve for x
    x = 54,091,126.99/7,344.14
  6. Step 6: Final answer
    x = 7,365.21

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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.