Home / 8,321.42-12,457.35-5,024.45

Finding the Fourth Proportional to 8,321.42, 12,457.35 and 5,024.45

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Solution

The fourth proportional to 8,321.42, 12,457.35 and 5,024.45 is: 7,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.42 : 12,457.35 = 5,024.45 : x
  2. Step 2: Convert to fraction form
    8,321.42/12,457.35 = 5,024.45/x
  3. Step 3: Cross multiply
    8,321.42x = 12,457.35 × 5,024.45
  4. Step 4: Simplify right side
    8,321.42x = 62,591,269.92
  5. Step 5: Solve for x
    x = 62,591,269.92/8,321.42
  6. Step 6: Final answer
    x = 7,521.71

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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.