Home / 7,338.05-10,988.28-4,047.49

Finding the Fourth Proportional to 7,338.05, 10,988.28 and 4,047.49

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Solution

The fourth proportional to 7,338.05, 10,988.28 and 4,047.49 is: 6,060.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.05 : 10,988.28 = 4,047.49 : x
  2. Step 2: Convert to fraction form
    7,338.05/10,988.28 = 4,047.49/x
  3. Step 3: Cross multiply
    7,338.05x = 10,988.28 × 4,047.49
  4. Step 4: Simplify right side
    7,338.05x = 44,474,898.48
  5. Step 5: Solve for x
    x = 44,474,898.48/7,338.05
  6. Step 6: Final answer
    x = 6,060.86

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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.