Home / 5,282.52-7,909.18-3,980.04

Finding the Fourth Proportional to 5,282.52, 7,909.18 and 3,980.04

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Solution

The fourth proportional to 5,282.52, 7,909.18 and 3,980.04 is: 5,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.52 : 7,909.18 = 3,980.04 : x
  2. Step 2: Convert to fraction form
    5,282.52/7,909.18 = 3,980.04/x
  3. Step 3: Cross multiply
    5,282.52x = 7,909.18 × 3,980.04
  4. Step 4: Simplify right side
    5,282.52x = 31,478,852.77
  5. Step 5: Solve for x
    x = 31,478,852.77/5,282.52
  6. Step 6: Final answer
    x = 5,959.06

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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.