Home / 7,371.75-10,172.91-4,387.51

Finding the Fourth Proportional to 7,371.75, 10,172.91 and 4,387.51

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Solution

The fourth proportional to 7,371.75, 10,172.91 and 4,387.51 is: 6,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.75 : 10,172.91 = 4,387.51 : x
  2. Step 2: Convert to fraction form
    7,371.75/10,172.91 = 4,387.51/x
  3. Step 3: Cross multiply
    7,371.75x = 10,172.91 × 4,387.51
  4. Step 4: Simplify right side
    7,371.75x = 44,633,718.92
  5. Step 5: Solve for x
    x = 44,633,718.92/7,371.75
  6. Step 6: Final answer
    x = 6,054.70

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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.