Home / 5,429.17-7,490.86-3,412.90

Finding the Fourth Proportional to 5,429.17, 7,490.86 and 3,412.90

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Solution

The fourth proportional to 5,429.17, 7,490.86 and 3,412.90 is: 4,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.17 : 7,490.86 = 3,412.90 : x
  2. Step 2: Convert to fraction form
    5,429.17/7,490.86 = 3,412.90/x
  3. Step 3: Cross multiply
    5,429.17x = 7,490.86 × 3,412.90
  4. Step 4: Simplify right side
    5,429.17x = 25,565,556.09
  5. Step 5: Solve for x
    x = 25,565,556.09/5,429.17
  6. Step 6: Final answer
    x = 4,708.93

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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.