Home / 7,351.20-10,141.92-4,206.24

Finding the Fourth Proportional to 7,351.20, 10,141.92 and 4,206.24

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Solution

The fourth proportional to 7,351.20, 10,141.92 and 4,206.24 is: 5,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.20 : 10,141.92 = 4,206.24 : x
  2. Step 2: Convert to fraction form
    7,351.20/10,141.92 = 4,206.24/x
  3. Step 3: Cross multiply
    7,351.20x = 10,141.92 × 4,206.24
  4. Step 4: Simplify right side
    7,351.20x = 42,659,349.58
  5. Step 5: Solve for x
    x = 42,659,349.58/7,351.20
  6. Step 6: Final answer
    x = 5,803.05

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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.