Home / 5,637.80-8,456.97-2,718.29

Finding the Fourth Proportional to 5,637.80, 8,456.97 and 2,718.29

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Solution

The fourth proportional to 5,637.80, 8,456.97 and 2,718.29 is: 4,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.80 : 8,456.97 = 2,718.29 : x
  2. Step 2: Convert to fraction form
    5,637.80/8,456.97 = 2,718.29/x
  3. Step 3: Cross multiply
    5,637.80x = 8,456.97 × 2,718.29
  4. Step 4: Simplify right side
    5,637.80x = 22,988,528.32
  5. Step 5: Solve for x
    x = 22,988,528.32/5,637.80
  6. Step 6: Final answer
    x = 4,077.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.