Home / 8,275.82-11,420.85-4,740.17

Finding the Fourth Proportional to 8,275.82, 11,420.85 and 4,740.17

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Solution

The fourth proportional to 8,275.82, 11,420.85 and 4,740.17 is: 6,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.82 : 11,420.85 = 4,740.17 : x
  2. Step 2: Convert to fraction form
    8,275.82/11,420.85 = 4,740.17/x
  3. Step 3: Cross multiply
    8,275.82x = 11,420.85 × 4,740.17
  4. Step 4: Simplify right side
    8,275.82x = 54,136,770.54
  5. Step 5: Solve for x
    x = 54,136,770.54/8,275.82
  6. Step 6: Final answer
    x = 6,541.56

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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.