Home / 7,538.80-10,403.88-5,016.88

Finding the Fourth Proportional to 7,538.80, 10,403.88 and 5,016.88

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Solution

The fourth proportional to 7,538.80, 10,403.88 and 5,016.88 is: 6,923.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.80 : 10,403.88 = 5,016.88 : x
  2. Step 2: Convert to fraction form
    7,538.80/10,403.88 = 5,016.88/x
  3. Step 3: Cross multiply
    7,538.80x = 10,403.88 × 5,016.88
  4. Step 4: Simplify right side
    7,538.80x = 52,195,017.49
  5. Step 5: Solve for x
    x = 52,195,017.49/7,538.80
  6. Step 6: Final answer
    x = 6,923.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.