Home / 4,545.76-6,272.88-3,366.40

Finding the Fourth Proportional to 4,545.76, 6,272.88 and 3,366.40

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Solution

The fourth proportional to 4,545.76, 6,272.88 and 3,366.40 is: 4,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.76 : 6,272.88 = 3,366.40 : x
  2. Step 2: Convert to fraction form
    4,545.76/6,272.88 = 3,366.40/x
  3. Step 3: Cross multiply
    4,545.76x = 6,272.88 × 3,366.40
  4. Step 4: Simplify right side
    4,545.76x = 21,117,023.23
  5. Step 5: Solve for x
    x = 21,117,023.23/4,545.76
  6. Step 6: Final answer
    x = 4,645.43

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Half scale
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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.