Home / 4,319.17-6,480.12-1,545.79

Finding the Fourth Proportional to 4,319.17, 6,480.12 and 1,545.79

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Solution

The fourth proportional to 4,319.17, 6,480.12 and 1,545.79 is: 2,319.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.17 : 6,480.12 = 1,545.79 : x
  2. Step 2: Convert to fraction form
    4,319.17/6,480.12 = 1,545.79/x
  3. Step 3: Cross multiply
    4,319.17x = 6,480.12 × 1,545.79
  4. Step 4: Simplify right side
    4,319.17x = 10,016,904.69
  5. Step 5: Solve for x
    x = 10,016,904.69/4,319.17
  6. Step 6: Final answer
    x = 2,319.17

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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.