Home / 5,510.43-8,266.13-1,561.74

Finding the Fourth Proportional to 5,510.43, 8,266.13 and 1,561.74

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Solution

The fourth proportional to 5,510.43, 8,266.13 and 1,561.74 is: 2,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.43 : 8,266.13 = 1,561.74 : x
  2. Step 2: Convert to fraction form
    5,510.43/8,266.13 = 1,561.74/x
  3. Step 3: Cross multiply
    5,510.43x = 8,266.13 × 1,561.74
  4. Step 4: Simplify right side
    5,510.43x = 12,909,545.87
  5. Step 5: Solve for x
    x = 12,909,545.87/5,510.43
  6. Step 6: Final answer
    x = 2,342.75

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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.