Home / 4,545.86-6,818.78-1,426.13

Finding the Fourth Proportional to 4,545.86, 6,818.78 and 1,426.13

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Solution

The fourth proportional to 4,545.86, 6,818.78 and 1,426.13 is: 2,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.86 : 6,818.78 = 1,426.13 : x
  2. Step 2: Convert to fraction form
    4,545.86/6,818.78 = 1,426.13/x
  3. Step 3: Cross multiply
    4,545.86x = 6,818.78 × 1,426.13
  4. Step 4: Simplify right side
    4,545.86x = 9,724,492.10
  5. Step 5: Solve for x
    x = 9,724,492.10/4,545.86
  6. Step 6: Final answer
    x = 2,139.20

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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.