Home / 7,915.32-10,928.12-5,083.97

Finding the Fourth Proportional to 7,915.32, 10,928.12 and 5,083.97

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Solution

The fourth proportional to 7,915.32, 10,928.12 and 5,083.97 is: 7,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915.32 : 10,928.12 = 5,083.97 : x
  2. Step 2: Convert to fraction form
    7,915.32/10,928.12 = 5,083.97/x
  3. Step 3: Cross multiply
    7,915.32x = 10,928.12 × 5,083.97
  4. Step 4: Simplify right side
    7,915.32x = 55,558,154.18
  5. Step 5: Solve for x
    x = 55,558,154.18/7,915.32
  6. Step 6: Final answer
    x = 7,019.07

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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.