Home / 5,510.22-8,264.57-1,561.78

Finding the Fourth Proportional to 5,510.22, 8,264.57 and 1,561.78

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Solution

The fourth proportional to 5,510.22, 8,264.57 and 1,561.78 is: 2,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.22 : 8,264.57 = 1,561.78 : x
  2. Step 2: Convert to fraction form
    5,510.22/8,264.57 = 1,561.78/x
  3. Step 3: Cross multiply
    5,510.22x = 8,264.57 × 1,561.78
  4. Step 4: Simplify right side
    5,510.22x = 12,907,398.81
  5. Step 5: Solve for x
    x = 12,907,398.81/5,510.22
  6. Step 6: Final answer
    x = 2,342.45

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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.