Home / 5,281.68-7,288.72-3,292.24

Finding the Fourth Proportional to 5,281.68, 7,288.72 and 3,292.24

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Solution

The fourth proportional to 5,281.68, 7,288.72 and 3,292.24 is: 4,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.68 : 7,288.72 = 3,292.24 : x
  2. Step 2: Convert to fraction form
    5,281.68/7,288.72 = 3,292.24/x
  3. Step 3: Cross multiply
    5,281.68x = 7,288.72 × 3,292.24
  4. Step 4: Simplify right side
    5,281.68x = 23,996,196.14
  5. Step 5: Solve for x
    x = 23,996,196.14/5,281.68
  6. Step 6: Final answer
    x = 4,543.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.