Home / 7,256.75-10,012.70-4,272.71

Finding the Fourth Proportional to 7,256.75, 10,012.70 and 4,272.71

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Solution

The fourth proportional to 7,256.75, 10,012.70 and 4,272.71 is: 5,895.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.75 : 10,012.70 = 4,272.71 : x
  2. Step 2: Convert to fraction form
    7,256.75/10,012.70 = 4,272.71/x
  3. Step 3: Cross multiply
    7,256.75x = 10,012.70 × 4,272.71
  4. Step 4: Simplify right side
    7,256.75x = 42,781,342.05
  5. Step 5: Solve for x
    x = 42,781,342.05/7,256.75
  6. Step 6: Final answer
    x = 5,895.39

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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.