Home / 9,278.02-13,922.43-3,438.70

Finding the Fourth Proportional to 9,278.02, 13,922.43 and 3,438.70

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Solution

The fourth proportional to 9,278.02, 13,922.43 and 3,438.70 is: 5,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.02 : 13,922.43 = 3,438.70 : x
  2. Step 2: Convert to fraction form
    9,278.02/13,922.43 = 3,438.70/x
  3. Step 3: Cross multiply
    9,278.02x = 13,922.43 × 3,438.70
  4. Step 4: Simplify right side
    9,278.02x = 47,875,060.04
  5. Step 5: Solve for x
    x = 47,875,060.04/9,278.02
  6. Step 6: Final answer
    x = 5,160.05

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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.