Home / 6,589.28-9,885.12-3,126.50

Finding the Fourth Proportional to 6,589.28, 9,885.12 and 3,126.50

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Solution

The fourth proportional to 6,589.28, 9,885.12 and 3,126.50 is: 4,690.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,589.28 : 9,885.12 = 3,126.50 : x
  2. Step 2: Convert to fraction form
    6,589.28/9,885.12 = 3,126.50/x
  3. Step 3: Cross multiply
    6,589.28x = 9,885.12 × 3,126.50
  4. Step 4: Simplify right side
    6,589.28x = 30,905,827.68
  5. Step 5: Solve for x
    x = 30,905,827.68/6,589.28
  6. Step 6: Final answer
    x = 4,690.32

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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.