Home / 6,447.24-8,887.80-4,581

Finding the Fourth Proportional to 6,447.24, 8,887.80 and 4,581

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Solution

The fourth proportional to 6,447.24, 8,887.80 and 4,581 is: 6,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.24 : 8,887.80 = 4,581 : x
  2. Step 2: Convert to fraction form
    6,447.24/8,887.80 = 4,581/x
  3. Step 3: Cross multiply
    6,447.24x = 8,887.80 × 4,581
  4. Step 4: Simplify right side
    6,447.24x = 40,715,011.80
  5. Step 5: Solve for x
    x = 40,715,011.80/6,447.24
  6. Step 6: Final answer
    x = 6,315.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.