Home / 5,417.71-7,478.25-3,843.07

Finding the Fourth Proportional to 5,417.71, 7,478.25 and 3,843.07

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Solution

The fourth proportional to 5,417.71, 7,478.25 and 3,843.07 is: 5,304.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.71 : 7,478.25 = 3,843.07 : x
  2. Step 2: Convert to fraction form
    5,417.71/7,478.25 = 3,843.07/x
  3. Step 3: Cross multiply
    5,417.71x = 7,478.25 × 3,843.07
  4. Step 4: Simplify right side
    5,417.71x = 28,739,438.23
  5. Step 5: Solve for x
    x = 28,739,438.23/5,417.71
  6. Step 6: Final answer
    x = 5,304.72

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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.