Home / 8,312.43-12,458.24-4,153.60

Finding the Fourth Proportional to 8,312.43, 12,458.24 and 4,153.60

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Solution

The fourth proportional to 8,312.43, 12,458.24 and 4,153.60 is: 6,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.43 : 12,458.24 = 4,153.60 : x
  2. Step 2: Convert to fraction form
    8,312.43/12,458.24 = 4,153.60/x
  3. Step 3: Cross multiply
    8,312.43x = 12,458.24 × 4,153.60
  4. Step 4: Simplify right side
    8,312.43x = 51,746,545.66
  5. Step 5: Solve for x
    x = 51,746,545.66/8,312.43
  6. Step 6: Final answer
    x = 6,225.20

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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.