Home / 8,428.02-12,631.77-5,963.55

Finding the Fourth Proportional to 8,428.02, 12,631.77 and 5,963.55

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Solution

The fourth proportional to 8,428.02, 12,631.77 and 5,963.55 is: 8,938.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428.02 : 12,631.77 = 5,963.55 : x
  2. Step 2: Convert to fraction form
    8,428.02/12,631.77 = 5,963.55/x
  3. Step 3: Cross multiply
    8,428.02x = 12,631.77 × 5,963.55
  4. Step 4: Simplify right side
    8,428.02x = 75,330,191.98
  5. Step 5: Solve for x
    x = 75,330,191.98/8,428.02
  6. Step 6: Final answer
    x = 8,938.07

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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.