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Finding the Fourth Proportional to 6,518.88, 8,995.05 and 4,281.66

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Solution

The fourth proportional to 6,518.88, 8,995.05 and 4,281.66 is: 5,908.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.88 : 8,995.05 = 4,281.66 : x
  2. Step 2: Convert to fraction form
    6,518.88/8,995.05 = 4,281.66/x
  3. Step 3: Cross multiply
    6,518.88x = 8,995.05 × 4,281.66
  4. Step 4: Simplify right side
    6,518.88x = 38,513,745.78
  5. Step 5: Solve for x
    x = 38,513,745.78/6,518.88
  6. Step 6: Final answer
    x = 5,908.03

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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.