Home / 7,868.68-11,799.55-4,902.68

Finding the Fourth Proportional to 7,868.68, 11,799.55 and 4,902.68

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Solution

The fourth proportional to 7,868.68, 11,799.55 and 4,902.68 is: 7,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.68 : 11,799.55 = 4,902.68 : x
  2. Step 2: Convert to fraction form
    7,868.68/11,799.55 = 4,902.68/x
  3. Step 3: Cross multiply
    7,868.68x = 11,799.55 × 4,902.68
  4. Step 4: Simplify right side
    7,868.68x = 57,849,373.26
  5. Step 5: Solve for x
    x = 57,849,373.26/7,868.68
  6. Step 6: Final answer
    x = 7,351.85

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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.