Home / 9,251.40-13,875.76-3,406.68

Finding the Fourth Proportional to 9,251.40, 13,875.76 and 3,406.68

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Solution

The fourth proportional to 9,251.40, 13,875.76 and 3,406.68 is: 5,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.40 : 13,875.76 = 3,406.68 : x
  2. Step 2: Convert to fraction form
    9,251.40/13,875.76 = 3,406.68/x
  3. Step 3: Cross multiply
    9,251.40x = 13,875.76 × 3,406.68
  4. Step 4: Simplify right side
    9,251.40x = 47,270,274.08
  5. Step 5: Solve for x
    x = 47,270,274.08/9,251.40
  6. Step 6: Final answer
    x = 5,109.53

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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.