Home / 5,335.20-8,002.26-1,439.64

Finding the Fourth Proportional to 5,335.20, 8,002.26 and 1,439.64

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Solution

The fourth proportional to 5,335.20, 8,002.26 and 1,439.64 is: 2,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.20 : 8,002.26 = 1,439.64 : x
  2. Step 2: Convert to fraction form
    5,335.20/8,002.26 = 1,439.64/x
  3. Step 3: Cross multiply
    5,335.20x = 8,002.26 × 1,439.64
  4. Step 4: Simplify right side
    5,335.20x = 11,520,373.59
  5. Step 5: Solve for x
    x = 11,520,373.59/5,335.20
  6. Step 6: Final answer
    x = 2,159.31

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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.