Home / 6,928.47-9,554.79-5,516.81

Finding the Fourth Proportional to 6,928.47, 9,554.79 and 5,516.81

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Solution

The fourth proportional to 6,928.47, 9,554.79 and 5,516.81 is: 7,608.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.47 : 9,554.79 = 5,516.81 : x
  2. Step 2: Convert to fraction form
    6,928.47/9,554.79 = 5,516.81/x
  3. Step 3: Cross multiply
    6,928.47x = 9,554.79 × 5,516.81
  4. Step 4: Simplify right side
    6,928.47x = 52,711,961.02
  5. Step 5: Solve for x
    x = 52,711,961.02/6,928.47
  6. Step 6: Final answer
    x = 7,608.02

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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.