Home / 5,320.13-7,346.09-3,432.65

Finding the Fourth Proportional to 5,320.13, 7,346.09 and 3,432.65

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Solution

The fourth proportional to 5,320.13, 7,346.09 and 3,432.65 is: 4,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.13 : 7,346.09 = 3,432.65 : x
  2. Step 2: Convert to fraction form
    5,320.13/7,346.09 = 3,432.65/x
  3. Step 3: Cross multiply
    5,320.13x = 7,346.09 × 3,432.65
  4. Step 4: Simplify right side
    5,320.13x = 25,216,538.68
  5. Step 5: Solve for x
    x = 25,216,538.68/5,320.13
  6. Step 6: Final answer
    x = 4,739.84

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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.