Home / 8,444.49-12,639.57-4,490.29

Finding the Fourth Proportional to 8,444.49, 12,639.57 and 4,490.29

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Solution

The fourth proportional to 8,444.49, 12,639.57 and 4,490.29 is: 6,720.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,444.49 : 12,639.57 = 4,490.29 : x
  2. Step 2: Convert to fraction form
    8,444.49/12,639.57 = 4,490.29/x
  3. Step 3: Cross multiply
    8,444.49x = 12,639.57 × 4,490.29
  4. Step 4: Simplify right side
    8,444.49x = 56,755,334.78
  5. Step 5: Solve for x
    x = 56,755,334.78/8,444.49
  6. Step 6: Final answer
    x = 6,720.99

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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.