Home / 5,599.80-8,399.55-1,439.82

Finding the Fourth Proportional to 5,599.80, 8,399.55 and 1,439.82

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Solution

The fourth proportional to 5,599.80, 8,399.55 and 1,439.82 is: 2,159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.80 : 8,399.55 = 1,439.82 : x
  2. Step 2: Convert to fraction form
    5,599.80/8,399.55 = 1,439.82/x
  3. Step 3: Cross multiply
    5,599.80x = 8,399.55 × 1,439.82
  4. Step 4: Simplify right side
    5,599.80x = 12,093,840.08
  5. Step 5: Solve for x
    x = 12,093,840.08/5,599.80
  6. Step 6: Final answer
    x = 2,159.69

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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.