Home / 7,383.40-11,017.25-7,340.20

Finding the Fourth Proportional to 7,383.40, 11,017.25 and 7,340.20

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Solution

The fourth proportional to 7,383.40, 11,017.25 and 7,340.20 is: 10,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.40 : 11,017.25 = 7,340.20 : x
  2. Step 2: Convert to fraction form
    7,383.40/11,017.25 = 7,340.20/x
  3. Step 3: Cross multiply
    7,383.40x = 11,017.25 × 7,340.20
  4. Step 4: Simplify right side
    7,383.40x = 80,868,818.45
  5. Step 5: Solve for x
    x = 80,868,818.45/7,383.40
  6. Step 6: Final answer
    x = 10,952.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.