Home / 8,438.84-11,646.18-4,902.04

Finding the Fourth Proportional to 8,438.84, 11,646.18 and 4,902.04

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Solution

The fourth proportional to 8,438.84, 11,646.18 and 4,902.04 is: 6,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.84 : 11,646.18 = 4,902.04 : x
  2. Step 2: Convert to fraction form
    8,438.84/11,646.18 = 4,902.04/x
  3. Step 3: Cross multiply
    8,438.84x = 11,646.18 × 4,902.04
  4. Step 4: Simplify right side
    8,438.84x = 57,090,040.21
  5. Step 5: Solve for x
    x = 57,090,040.21/8,438.84
  6. Step 6: Final answer
    x = 6,765.15

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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.