Home / 6,423.60-8,866.86-4,002.96

Finding the Fourth Proportional to 6,423.60, 8,866.86 and 4,002.96

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Solution

The fourth proportional to 6,423.60, 8,866.86 and 4,002.96 is: 5,525.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.60 : 8,866.86 = 4,002.96 : x
  2. Step 2: Convert to fraction form
    6,423.60/8,866.86 = 4,002.96/x
  3. Step 3: Cross multiply
    6,423.60x = 8,866.86 × 4,002.96
  4. Step 4: Simplify right side
    6,423.60x = 35,493,685.91
  5. Step 5: Solve for x
    x = 35,493,685.91/6,423.60
  6. Step 6: Final answer
    x = 5,525.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.