Home / 9,701.25-13,387.10-5,721.45

Finding the Fourth Proportional to 9,701.25, 13,387.10 and 5,721.45

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Solution

The fourth proportional to 9,701.25, 13,387.10 and 5,721.45 is: 7,895.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,701.25 : 13,387.10 = 5,721.45 : x
  2. Step 2: Convert to fraction form
    9,701.25/13,387.10 = 5,721.45/x
  3. Step 3: Cross multiply
    9,701.25x = 13,387.10 × 5,721.45
  4. Step 4: Simplify right side
    9,701.25x = 76,593,594.69
  5. Step 5: Solve for x
    x = 76,593,594.69/9,701.25
  6. Step 6: Final answer
    x = 7,895.23

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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.