Home / 8,487.10-12,730.90-4,045.23

Finding the Fourth Proportional to 8,487.10, 12,730.90 and 4,045.23

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Solution

The fourth proportional to 8,487.10, 12,730.90 and 4,045.23 is: 6,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487.10 : 12,730.90 = 4,045.23 : x
  2. Step 2: Convert to fraction form
    8,487.10/12,730.90 = 4,045.23/x
  3. Step 3: Cross multiply
    8,487.10x = 12,730.90 × 4,045.23
  4. Step 4: Simplify right side
    8,487.10x = 51,499,471.40
  5. Step 5: Solve for x
    x = 51,499,471.40/8,487.10
  6. Step 6: Final answer
    x = 6,067.97

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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.