Home / 4,545.72-6,815.88-1,947.24

Finding the Fourth Proportional to 4,545.72, 6,815.88 and 1,947.24

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Solution

The fourth proportional to 4,545.72, 6,815.88 and 1,947.24 is: 2,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.72 : 6,815.88 = 1,947.24 : x
  2. Step 2: Convert to fraction form
    4,545.72/6,815.88 = 1,947.24/x
  3. Step 3: Cross multiply
    4,545.72x = 6,815.88 × 1,947.24
  4. Step 4: Simplify right side
    4,545.72x = 13,272,154.17
  5. Step 5: Solve for x
    x = 13,272,154.17/4,545.72
  6. Step 6: Final answer
    x = 2,919.70

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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.