Home / 7,225.80-9,972.66-4,243.26

Finding the Fourth Proportional to 7,225.80, 9,972.66 and 4,243.26

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Solution

The fourth proportional to 7,225.80, 9,972.66 and 4,243.26 is: 5,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.80 : 9,972.66 = 4,243.26 : x
  2. Step 2: Convert to fraction form
    7,225.80/9,972.66 = 4,243.26/x
  3. Step 3: Cross multiply
    7,225.80x = 9,972.66 × 4,243.26
  4. Step 4: Simplify right side
    7,225.80x = 42,316,568.06
  5. Step 5: Solve for x
    x = 42,316,568.06/7,225.80
  6. Step 6: Final answer
    x = 5,856.32

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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.