Home / 7,349.54-10,142.85-4,162.79

Finding the Fourth Proportional to 7,349.54, 10,142.85 and 4,162.79

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Solution

The fourth proportional to 7,349.54, 10,142.85 and 4,162.79 is: 5,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349.54 : 10,142.85 = 4,162.79 : x
  2. Step 2: Convert to fraction form
    7,349.54/10,142.85 = 4,162.79/x
  3. Step 3: Cross multiply
    7,349.54x = 10,142.85 × 4,162.79
  4. Step 4: Simplify right side
    7,349.54x = 42,222,595.52
  5. Step 5: Solve for x
    x = 42,222,595.52/7,349.54
  6. Step 6: Final answer
    x = 5,744.93

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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.