Home / 7,916.88-10,928.66-4,934.18

Finding the Fourth Proportional to 7,916.88, 10,928.66 and 4,934.18

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Solution

The fourth proportional to 7,916.88, 10,928.66 and 4,934.18 is: 6,811.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.88 : 10,928.66 = 4,934.18 : x
  2. Step 2: Convert to fraction form
    7,916.88/10,928.66 = 4,934.18/x
  3. Step 3: Cross multiply
    7,916.88x = 10,928.66 × 4,934.18
  4. Step 4: Simplify right side
    7,916.88x = 53,923,896.28
  5. Step 5: Solve for x
    x = 53,923,896.28/7,916.88
  6. Step 6: Final answer
    x = 6,811.26

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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.