Home / 7,875.53-11,817.39-5,101.48

Finding the Fourth Proportional to 7,875.53, 11,817.39 and 5,101.48

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Solution

The fourth proportional to 7,875.53, 11,817.39 and 5,101.48 is: 7,654.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.53 : 11,817.39 = 5,101.48 : x
  2. Step 2: Convert to fraction form
    7,875.53/11,817.39 = 5,101.48/x
  3. Step 3: Cross multiply
    7,875.53x = 11,817.39 × 5,101.48
  4. Step 4: Simplify right side
    7,875.53x = 60,286,212.64
  5. Step 5: Solve for x
    x = 60,286,212.64/7,875.53
  6. Step 6: Final answer
    x = 7,654.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.