Home / 8,231.79-12,347.70-4,532.13

Finding the Fourth Proportional to 8,231.79, 12,347.70 and 4,532.13

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Solution

The fourth proportional to 8,231.79, 12,347.70 and 4,532.13 is: 6,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.79 : 12,347.70 = 4,532.13 : x
  2. Step 2: Convert to fraction form
    8,231.79/12,347.70 = 4,532.13/x
  3. Step 3: Cross multiply
    8,231.79x = 12,347.70 × 4,532.13
  4. Step 4: Simplify right side
    8,231.79x = 55,961,381.60
  5. Step 5: Solve for x
    x = 55,961,381.60/8,231.79
  6. Step 6: Final answer
    x = 6,798.20

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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.