Home / 7,182.33-9,911.80-4,349.18

Finding the Fourth Proportional to 7,182.33, 9,911.80 and 4,349.18

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Solution

The fourth proportional to 7,182.33, 9,911.80 and 4,349.18 is: 6,001.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.33 : 9,911.80 = 4,349.18 : x
  2. Step 2: Convert to fraction form
    7,182.33/9,911.80 = 4,349.18/x
  3. Step 3: Cross multiply
    7,182.33x = 9,911.80 × 4,349.18
  4. Step 4: Simplify right side
    7,182.33x = 43,108,202.32
  5. Step 5: Solve for x
    x = 43,108,202.32/7,182.33
  6. Step 6: Final answer
    x = 6,001.98

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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.