Home / 6,621.29-9,929.72-2,671.53

Finding the Fourth Proportional to 6,621.29, 9,929.72 and 2,671.53

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Solution

The fourth proportional to 6,621.29, 9,929.72 and 2,671.53 is: 4,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.29 : 9,929.72 = 2,671.53 : x
  2. Step 2: Convert to fraction form
    6,621.29/9,929.72 = 2,671.53/x
  3. Step 3: Cross multiply
    6,621.29x = 9,929.72 × 2,671.53
  4. Step 4: Simplify right side
    6,621.29x = 26,527,514.31
  5. Step 5: Solve for x
    x = 26,527,514.31/6,621.29
  6. Step 6: Final answer
    x = 4,006.40

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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.