Home / 6,889.78-10,318.56-5,036.23

Finding the Fourth Proportional to 6,889.78, 10,318.56 and 5,036.23

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Solution

The fourth proportional to 6,889.78, 10,318.56 and 5,036.23 is: 7,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.78 : 10,318.56 = 5,036.23 : x
  2. Step 2: Convert to fraction form
    6,889.78/10,318.56 = 5,036.23/x
  3. Step 3: Cross multiply
    6,889.78x = 10,318.56 × 5,036.23
  4. Step 4: Simplify right side
    6,889.78x = 51,966,641.43
  5. Step 5: Solve for x
    x = 51,966,641.43/6,889.78
  6. Step 6: Final answer
    x = 7,542.57

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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.