Home / 7,343.56-10,134.30-4,157.08

Finding the Fourth Proportional to 7,343.56, 10,134.30 and 4,157.08

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Solution

The fourth proportional to 7,343.56, 10,134.30 and 4,157.08 is: 5,736.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.56 : 10,134.30 = 4,157.08 : x
  2. Step 2: Convert to fraction form
    7,343.56/10,134.30 = 4,157.08/x
  3. Step 3: Cross multiply
    7,343.56x = 10,134.30 × 4,157.08
  4. Step 4: Simplify right side
    7,343.56x = 42,129,095.84
  5. Step 5: Solve for x
    x = 42,129,095.84/7,343.56
  6. Step 6: Final answer
    x = 5,736.88

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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.