Home / 8,677.22-13,018.13-4,980.75

Finding the Fourth Proportional to 8,677.22, 13,018.13 and 4,980.75

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Solution

The fourth proportional to 8,677.22, 13,018.13 and 4,980.75 is: 7,472.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.22 : 13,018.13 = 4,980.75 : x
  2. Step 2: Convert to fraction form
    8,677.22/13,018.13 = 4,980.75/x
  3. Step 3: Cross multiply
    8,677.22x = 13,018.13 × 4,980.75
  4. Step 4: Simplify right side
    8,677.22x = 64,840,026.09
  5. Step 5: Solve for x
    x = 64,840,026.09/8,677.22
  6. Step 6: Final answer
    x = 7,472.44

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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.