Home / 8,541.09-12,812.02-2,617.55

Finding the Fourth Proportional to 8,541.09, 12,812.02 and 2,617.55

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Solution

The fourth proportional to 8,541.09, 12,812.02 and 2,617.55 is: 3,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.09 : 12,812.02 = 2,617.55 : x
  2. Step 2: Convert to fraction form
    8,541.09/12,812.02 = 2,617.55/x
  3. Step 3: Cross multiply
    8,541.09x = 12,812.02 × 2,617.55
  4. Step 4: Simplify right side
    8,541.09x = 33,536,102.95
  5. Step 5: Solve for x
    x = 33,536,102.95/8,541.09
  6. Step 6: Final answer
    x = 3,926.45

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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.