Home / 7,724.06-10,660.71-5,038.61

Finding the Fourth Proportional to 7,724.06, 10,660.71 and 5,038.61

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Solution

The fourth proportional to 7,724.06, 10,660.71 and 5,038.61 is: 6,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.06 : 10,660.71 = 5,038.61 : x
  2. Step 2: Convert to fraction form
    7,724.06/10,660.71 = 5,038.61/x
  3. Step 3: Cross multiply
    7,724.06x = 10,660.71 × 5,038.61
  4. Step 4: Simplify right side
    7,724.06x = 53,715,125.60
  5. Step 5: Solve for x
    x = 53,715,125.60/7,724.06
  6. Step 6: Final answer
    x = 6,954.26

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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.