Home / 9,266.14-12,787.32-5,287.33

Finding the Fourth Proportional to 9,266.14, 12,787.32 and 5,287.33

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Solution

The fourth proportional to 9,266.14, 12,787.32 and 5,287.33 is: 7,296.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266.14 : 12,787.32 = 5,287.33 : x
  2. Step 2: Convert to fraction form
    9,266.14/12,787.32 = 5,287.33/x
  3. Step 3: Cross multiply
    9,266.14x = 12,787.32 × 5,287.33
  4. Step 4: Simplify right side
    9,266.14x = 67,610,780.66
  5. Step 5: Solve for x
    x = 67,610,780.66/9,266.14
  6. Step 6: Final answer
    x = 7,296.54

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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.