Home / 5,031.23-7,547.92-1,520.96

Finding the Fourth Proportional to 5,031.23, 7,547.92 and 1,520.96

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Solution

The fourth proportional to 5,031.23, 7,547.92 and 1,520.96 is: 2,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.23 : 7,547.92 = 1,520.96 : x
  2. Step 2: Convert to fraction form
    5,031.23/7,547.92 = 1,520.96/x
  3. Step 3: Cross multiply
    5,031.23x = 7,547.92 × 1,520.96
  4. Step 4: Simplify right side
    5,031.23x = 11,480,042.86
  5. Step 5: Solve for x
    x = 11,480,042.86/5,031.23
  6. Step 6: Final answer
    x = 2,281.76

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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.