Home / 5,628.80-7,759.21-3,737.04

Finding the Fourth Proportional to 5,628.80, 7,759.21 and 3,737.04

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Solution

The fourth proportional to 5,628.80, 7,759.21 and 3,737.04 is: 5,151.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.80 : 7,759.21 = 3,737.04 : x
  2. Step 2: Convert to fraction form
    5,628.80/7,759.21 = 3,737.04/x
  3. Step 3: Cross multiply
    5,628.80x = 7,759.21 × 3,737.04
  4. Step 4: Simplify right side
    5,628.80x = 28,996,478.14
  5. Step 5: Solve for x
    x = 28,996,478.14/5,628.80
  6. Step 6: Final answer
    x = 5,151.45

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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.