Home / 5,599.30-8,398.80-1,439.32

Finding the Fourth Proportional to 5,599.30, 8,398.80 and 1,439.32

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Solution

The fourth proportional to 5,599.30, 8,398.80 and 1,439.32 is: 2,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.30 : 8,398.80 = 1,439.32 : x
  2. Step 2: Convert to fraction form
    5,599.30/8,398.80 = 1,439.32/x
  3. Step 3: Cross multiply
    5,599.30x = 8,398.80 × 1,439.32
  4. Step 4: Simplify right side
    5,599.30x = 12,088,560.82
  5. Step 5: Solve for x
    x = 12,088,560.82/5,599.30
  6. Step 6: Final answer
    x = 2,158.94

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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.