Home / 8,338.59-11,505.53-4,980.17

Finding the Fourth Proportional to 8,338.59, 11,505.53 and 4,980.17

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Solution

The fourth proportional to 8,338.59, 11,505.53 and 4,980.17 is: 6,871.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338.59 : 11,505.53 = 4,980.17 : x
  2. Step 2: Convert to fraction form
    8,338.59/11,505.53 = 4,980.17/x
  3. Step 3: Cross multiply
    8,338.59x = 11,505.53 × 4,980.17
  4. Step 4: Simplify right side
    8,338.59x = 57,299,536.55
  5. Step 5: Solve for x
    x = 57,299,536.55/8,338.59
  6. Step 6: Final answer
    x = 6,871.61

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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.