Home / 8,377.45-12,567.30-4,430.62

Finding the Fourth Proportional to 8,377.45, 12,567.30 and 4,430.62

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Solution

The fourth proportional to 8,377.45, 12,567.30 and 4,430.62 is: 6,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.45 : 12,567.30 = 4,430.62 : x
  2. Step 2: Convert to fraction form
    8,377.45/12,567.30 = 4,430.62/x
  3. Step 3: Cross multiply
    8,377.45x = 12,567.30 × 4,430.62
  4. Step 4: Simplify right side
    8,377.45x = 55,680,930.73
  5. Step 5: Solve for x
    x = 55,680,930.73/8,377.45
  6. Step 6: Final answer
    x = 6,646.52

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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.