Home / 5,645.47-8,465.36-3,306.18

Finding the Fourth Proportional to 5,645.47, 8,465.36 and 3,306.18

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Solution

The fourth proportional to 5,645.47, 8,465.36 and 3,306.18 is: 4,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.47 : 8,465.36 = 3,306.18 : x
  2. Step 2: Convert to fraction form
    5,645.47/8,465.36 = 3,306.18/x
  3. Step 3: Cross multiply
    5,645.47x = 8,465.36 × 3,306.18
  4. Step 4: Simplify right side
    5,645.47x = 27,988,003.92
  5. Step 5: Solve for x
    x = 27,988,003.92/5,645.47
  6. Step 6: Final answer
    x = 4,957.60

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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.