Home / 8,437.67-12,629.16-4,730.70

Finding the Fourth Proportional to 8,437.67, 12,629.16 and 4,730.70

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Solution

The fourth proportional to 8,437.67, 12,629.16 and 4,730.70 is: 7,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.67 : 12,629.16 = 4,730.70 : x
  2. Step 2: Convert to fraction form
    8,437.67/12,629.16 = 4,730.70/x
  3. Step 3: Cross multiply
    8,437.67x = 12,629.16 × 4,730.70
  4. Step 4: Simplify right side
    8,437.67x = 59,744,767.21
  5. Step 5: Solve for x
    x = 59,744,767.21/8,437.67
  6. Step 6: Final answer
    x = 7,080.72

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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.