Home / 9,241.79-13,862.75-3,398.40

Finding the Fourth Proportional to 9,241.79, 13,862.75 and 3,398.40

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Solution

The fourth proportional to 9,241.79, 13,862.75 and 3,398.40 is: 5,097.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,241.79 : 13,862.75 = 3,398.40 : x
  2. Step 2: Convert to fraction form
    9,241.79/13,862.75 = 3,398.40/x
  3. Step 3: Cross multiply
    9,241.79x = 13,862.75 × 3,398.40
  4. Step 4: Simplify right side
    9,241.79x = 47,111,152.61
  5. Step 5: Solve for x
    x = 47,111,152.61/9,241.79
  6. Step 6: Final answer
    x = 5,097.62

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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.