Home / 7,192.80-9,930.60-5,864.40

Finding the Fourth Proportional to 7,192.80, 9,930.60 and 5,864.40

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Solution

The fourth proportional to 7,192.80, 9,930.60 and 5,864.40 is: 8,096.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.80 : 9,930.60 = 5,864.40 : x
  2. Step 2: Convert to fraction form
    7,192.80/9,930.60 = 5,864.40/x
  3. Step 3: Cross multiply
    7,192.80x = 9,930.60 × 5,864.40
  4. Step 4: Simplify right side
    7,192.80x = 58,237,010.64
  5. Step 5: Solve for x
    x = 58,237,010.64/7,192.80
  6. Step 6: Final answer
    x = 8,096.57

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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.