Home / 7,224.25-10,839.51-2,547.60

Finding the Fourth Proportional to 7,224.25, 10,839.51 and 2,547.60

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Solution

The fourth proportional to 7,224.25, 10,839.51 and 2,547.60 is: 3,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.25 : 10,839.51 = 2,547.60 : x
  2. Step 2: Convert to fraction form
    7,224.25/10,839.51 = 2,547.60/x
  3. Step 3: Cross multiply
    7,224.25x = 10,839.51 × 2,547.60
  4. Step 4: Simplify right side
    7,224.25x = 27,614,722.94
  5. Step 5: Solve for x
    x = 27,614,722.94/7,224.25
  6. Step 6: Final answer
    x = 3,822.50

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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.