Home / 7,280.99-10,049.43-5,154.31

Finding the Fourth Proportional to 7,280.99, 10,049.43 and 5,154.31

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Solution

The fourth proportional to 7,280.99, 10,049.43 and 5,154.31 is: 7,114.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.99 : 10,049.43 = 5,154.31 : x
  2. Step 2: Convert to fraction form
    7,280.99/10,049.43 = 5,154.31/x
  3. Step 3: Cross multiply
    7,280.99x = 10,049.43 × 5,154.31
  4. Step 4: Simplify right side
    7,280.99x = 51,797,932.87
  5. Step 5: Solve for x
    x = 51,797,932.87/7,280.99
  6. Step 6: Final answer
    x = 7,114.13

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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.