Home / 4,545.79-6,817.91-1,258.11

Finding the Fourth Proportional to 4,545.79, 6,817.91 and 1,258.11

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Solution

The fourth proportional to 4,545.79, 6,817.91 and 1,258.11 is: 1,886.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.79 : 6,817.91 = 1,258.11 : x
  2. Step 2: Convert to fraction form
    4,545.79/6,817.91 = 1,258.11/x
  3. Step 3: Cross multiply
    4,545.79x = 6,817.91 × 1,258.11
  4. Step 4: Simplify right side
    4,545.79x = 8,577,694.32
  5. Step 5: Solve for x
    x = 8,577,694.32/4,545.79
  6. Step 6: Final answer
    x = 1,886.95

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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.