Home / 5,337.44-8,005.84-1,639.70

Finding the Fourth Proportional to 5,337.44, 8,005.84 and 1,639.70

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Solution

The fourth proportional to 5,337.44, 8,005.84 and 1,639.70 is: 2,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.44 : 8,005.84 = 1,639.70 : x
  2. Step 2: Convert to fraction form
    5,337.44/8,005.84 = 1,639.70/x
  3. Step 3: Cross multiply
    5,337.44x = 8,005.84 × 1,639.70
  4. Step 4: Simplify right side
    5,337.44x = 13,127,167.65
  5. Step 5: Solve for x
    x = 13,127,167.65/5,337.44
  6. Step 6: Final answer
    x = 2,459.45

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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.