Home / 7,353.24-10,147.86-4,209.90

Finding the Fourth Proportional to 7,353.24, 10,147.86 and 4,209.90

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Solution

The fourth proportional to 7,353.24, 10,147.86 and 4,209.90 is: 5,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.24 : 10,147.86 = 4,209.90 : x
  2. Step 2: Convert to fraction form
    7,353.24/10,147.86 = 4,209.90/x
  3. Step 3: Cross multiply
    7,353.24x = 10,147.86 × 4,209.90
  4. Step 4: Simplify right side
    7,353.24x = 42,721,475.81
  5. Step 5: Solve for x
    x = 42,721,475.81/7,353.24
  6. Step 6: Final answer
    x = 5,809.88

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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.