Home / 4,545.28-6,817.16-1,258.70

Finding the Fourth Proportional to 4,545.28, 6,817.16 and 1,258.70

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Solution

The fourth proportional to 4,545.28, 6,817.16 and 1,258.70 is: 1,887.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.28 : 6,817.16 = 1,258.70 : x
  2. Step 2: Convert to fraction form
    4,545.28/6,817.16 = 1,258.70/x
  3. Step 3: Cross multiply
    4,545.28x = 6,817.16 × 1,258.70
  4. Step 4: Simplify right side
    4,545.28x = 8,580,772.40
  5. Step 5: Solve for x
    x = 8,580,772.40/4,545.28
  6. Step 6: Final answer
    x = 1,887.84

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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.