Home / 7,112.73-10,670.75-2,432.77

Finding the Fourth Proportional to 7,112.73, 10,670.75 and 2,432.77

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Solution

The fourth proportional to 7,112.73, 10,670.75 and 2,432.77 is: 3,649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.73 : 10,670.75 = 2,432.77 : x
  2. Step 2: Convert to fraction form
    7,112.73/10,670.75 = 2,432.77/x
  3. Step 3: Cross multiply
    7,112.73x = 10,670.75 × 2,432.77
  4. Step 4: Simplify right side
    7,112.73x = 25,959,490.77
  5. Step 5: Solve for x
    x = 25,959,490.77/7,112.73
  6. Step 6: Final answer
    x = 3,649.72

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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.