Home / 8,399.28-12,591.63-6,204.99

Finding the Fourth Proportional to 8,399.28, 12,591.63 and 6,204.99

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Solution

The fourth proportional to 8,399.28, 12,591.63 and 6,204.99 is: 9,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.28 : 12,591.63 = 6,204.99 : x
  2. Step 2: Convert to fraction form
    8,399.28/12,591.63 = 6,204.99/x
  3. Step 3: Cross multiply
    8,399.28x = 12,591.63 × 6,204.99
  4. Step 4: Simplify right side
    8,399.28x = 78,130,938.23
  5. Step 5: Solve for x
    x = 78,130,938.23/8,399.28
  6. Step 6: Final answer
    x = 9,302.10

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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.