Home / 7,346.24-10,134.88-4,200.72

Finding the Fourth Proportional to 7,346.24, 10,134.88 and 4,200.72

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Solution

The fourth proportional to 7,346.24, 10,134.88 and 4,200.72 is: 5,795.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.24 : 10,134.88 = 4,200.72 : x
  2. Step 2: Convert to fraction form
    7,346.24/10,134.88 = 4,200.72/x
  3. Step 3: Cross multiply
    7,346.24x = 10,134.88 × 4,200.72
  4. Step 4: Simplify right side
    7,346.24x = 42,573,793.11
  5. Step 5: Solve for x
    x = 42,573,793.11/7,346.24
  6. Step 6: Final answer
    x = 5,795.32

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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.