Home / 8,660.46-12,973.58-5,729.88

Finding the Fourth Proportional to 8,660.46, 12,973.58 and 5,729.88

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Solution

The fourth proportional to 8,660.46, 12,973.58 and 5,729.88 is: 8,583.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.46 : 12,973.58 = 5,729.88 : x
  2. Step 2: Convert to fraction form
    8,660.46/12,973.58 = 5,729.88/x
  3. Step 3: Cross multiply
    8,660.46x = 12,973.58 × 5,729.88
  4. Step 4: Simplify right side
    8,660.46x = 74,337,056.57
  5. Step 5: Solve for x
    x = 74,337,056.57/8,660.46
  6. Step 6: Final answer
    x = 8,583.50

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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.