Home / 6,923.20-10,383.72-2,538.40

Finding the Fourth Proportional to 6,923.20, 10,383.72 and 2,538.40

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Solution

The fourth proportional to 6,923.20, 10,383.72 and 2,538.40 is: 3,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.20 : 10,383.72 = 2,538.40 : x
  2. Step 2: Convert to fraction form
    6,923.20/10,383.72 = 2,538.40/x
  3. Step 3: Cross multiply
    6,923.20x = 10,383.72 × 2,538.40
  4. Step 4: Simplify right side
    6,923.20x = 26,358,034.85
  5. Step 5: Solve for x
    x = 26,358,034.85/6,923.20
  6. Step 6: Final answer
    x = 3,807.20

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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.