Home / 7,511.16-10,362.24-5,149.20

Finding the Fourth Proportional to 7,511.16, 10,362.24 and 5,149.20

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Solution

The fourth proportional to 7,511.16, 10,362.24 and 5,149.20 is: 7,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.16 : 10,362.24 = 5,149.20 : x
  2. Step 2: Convert to fraction form
    7,511.16/10,362.24 = 5,149.20/x
  3. Step 3: Cross multiply
    7,511.16x = 10,362.24 × 5,149.20
  4. Step 4: Simplify right side
    7,511.16x = 53,357,246.21
  5. Step 5: Solve for x
    x = 53,357,246.21/7,511.16
  6. Step 6: Final answer
    x = 7,103.73

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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.