Home / 7,346.43-10,134.54-4,200.75

Finding the Fourth Proportional to 7,346.43, 10,134.54 and 4,200.75

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Solution

The fourth proportional to 7,346.43, 10,134.54 and 4,200.75 is: 5,795.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.43 : 10,134.54 = 4,200.75 : x
  2. Step 2: Convert to fraction form
    7,346.43/10,134.54 = 4,200.75/x
  3. Step 3: Cross multiply
    7,346.43x = 10,134.54 × 4,200.75
  4. Step 4: Simplify right side
    7,346.43x = 42,572,668.91
  5. Step 5: Solve for x
    x = 42,572,668.91/7,346.43
  6. Step 6: Final answer
    x = 5,795.01

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Half scale
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Double scale
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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.