Home / 5,487.68-8,224.80-2,888.96

Finding the Fourth Proportional to 5,487.68, 8,224.80 and 2,888.96

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Solution

The fourth proportional to 5,487.68, 8,224.80 and 2,888.96 is: 4,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.68 : 8,224.80 = 2,888.96 : x
  2. Step 2: Convert to fraction form
    5,487.68/8,224.80 = 2,888.96/x
  3. Step 3: Cross multiply
    5,487.68x = 8,224.80 × 2,888.96
  4. Step 4: Simplify right side
    5,487.68x = 23,761,118.21
  5. Step 5: Solve for x
    x = 23,761,118.21/5,487.68
  6. Step 6: Final answer
    x = 4,329.90

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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.