Home / 8,342.28-12,515.99-4,443.75

Finding the Fourth Proportional to 8,342.28, 12,515.99 and 4,443.75

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Solution

The fourth proportional to 8,342.28, 12,515.99 and 4,443.75 is: 6,666.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.28 : 12,515.99 = 4,443.75 : x
  2. Step 2: Convert to fraction form
    8,342.28/12,515.99 = 4,443.75/x
  3. Step 3: Cross multiply
    8,342.28x = 12,515.99 × 4,443.75
  4. Step 4: Simplify right side
    8,342.28x = 55,617,908.34
  5. Step 5: Solve for x
    x = 55,617,908.34/8,342.28
  6. Step 6: Final answer
    x = 6,666.99

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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.