Home / 8,011.20-11,055.63-4,426.15

Finding the Fourth Proportional to 8,011.20, 11,055.63 and 4,426.15

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Solution

The fourth proportional to 8,011.20, 11,055.63 and 4,426.15 is: 6,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.20 : 11,055.63 = 4,426.15 : x
  2. Step 2: Convert to fraction form
    8,011.20/11,055.63 = 4,426.15/x
  3. Step 3: Cross multiply
    8,011.20x = 11,055.63 × 4,426.15
  4. Step 4: Simplify right side
    8,011.20x = 48,933,876.72
  5. Step 5: Solve for x
    x = 48,933,876.72/8,011.20
  6. Step 6: Final answer
    x = 6,108.18

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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.