Home / 7,238.12-10,845.02-5,154.38

Finding the Fourth Proportional to 7,238.12, 10,845.02 and 5,154.38

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Solution

The fourth proportional to 7,238.12, 10,845.02 and 5,154.38 is: 7,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.12 : 10,845.02 = 5,154.38 : x
  2. Step 2: Convert to fraction form
    7,238.12/10,845.02 = 5,154.38/x
  3. Step 3: Cross multiply
    7,238.12x = 10,845.02 × 5,154.38
  4. Step 4: Simplify right side
    7,238.12x = 55,899,354.19
  5. Step 5: Solve for x
    x = 55,899,354.19/7,238.12
  6. Step 6: Final answer
    x = 7,722.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.