Home / 7,538.24-10,399.38-4,886.30

Finding the Fourth Proportional to 7,538.24, 10,399.38 and 4,886.30

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Solution

The fourth proportional to 7,538.24, 10,399.38 and 4,886.30 is: 6,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.24 : 10,399.38 = 4,886.30 : x
  2. Step 2: Convert to fraction form
    7,538.24/10,399.38 = 4,886.30/x
  3. Step 3: Cross multiply
    7,538.24x = 10,399.38 × 4,886.30
  4. Step 4: Simplify right side
    7,538.24x = 50,814,490.49
  5. Step 5: Solve for x
    x = 50,814,490.49/7,538.24
  6. Step 6: Final answer
    x = 6,740.90

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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.