Home / 7,767.52-10,719.54-5,112.88

Finding the Fourth Proportional to 7,767.52, 10,719.54 and 5,112.88

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Solution

The fourth proportional to 7,767.52, 10,719.54 and 5,112.88 is: 7,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.52 : 10,719.54 = 5,112.88 : x
  2. Step 2: Convert to fraction form
    7,767.52/10,719.54 = 5,112.88/x
  3. Step 3: Cross multiply
    7,767.52x = 10,719.54 × 5,112.88
  4. Step 4: Simplify right side
    7,767.52x = 54,807,721.68
  5. Step 5: Solve for x
    x = 54,807,721.68/7,767.52
  6. Step 6: Final answer
    x = 7,056.01

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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.