Home / 5,425.92-8,139.16-1,530.62

Finding the Fourth Proportional to 5,425.92, 8,139.16 and 1,530.62

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Solution

The fourth proportional to 5,425.92, 8,139.16 and 1,530.62 is: 2,296.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.92 : 8,139.16 = 1,530.62 : x
  2. Step 2: Convert to fraction form
    5,425.92/8,139.16 = 1,530.62/x
  3. Step 3: Cross multiply
    5,425.92x = 8,139.16 × 1,530.62
  4. Step 4: Simplify right side
    5,425.92x = 12,457,961.08
  5. Step 5: Solve for x
    x = 12,457,961.08/5,425.92
  6. Step 6: Final answer
    x = 2,296.01

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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.