Home / 8,158.77-11,259.08-4,622.66

Finding the Fourth Proportional to 8,158.77, 11,259.08 and 4,622.66

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Solution

The fourth proportional to 8,158.77, 11,259.08 and 4,622.66 is: 6,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.77 : 11,259.08 = 4,622.66 : x
  2. Step 2: Convert to fraction form
    8,158.77/11,259.08 = 4,622.66/x
  3. Step 3: Cross multiply
    8,158.77x = 11,259.08 × 4,622.66
  4. Step 4: Simplify right side
    8,158.77x = 52,046,819.34
  5. Step 5: Solve for x
    x = 52,046,819.34/8,158.77
  6. Step 6: Final answer
    x = 6,379.25

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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.