Home / 8,317.50-12,478.30-2,474.08

Finding the Fourth Proportional to 8,317.50, 12,478.30 and 2,474.08

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Solution

The fourth proportional to 8,317.50, 12,478.30 and 2,474.08 is: 3,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.50 : 12,478.30 = 2,474.08 : x
  2. Step 2: Convert to fraction form
    8,317.50/12,478.30 = 2,474.08/x
  3. Step 3: Cross multiply
    8,317.50x = 12,478.30 × 2,474.08
  4. Step 4: Simplify right side
    8,317.50x = 30,872,312.46
  5. Step 5: Solve for x
    x = 30,872,312.46/8,317.50
  6. Step 6: Final answer
    x = 3,711.73

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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.