Home / 9,284.73-12,815.36-5,750.90

Finding the Fourth Proportional to 9,284.73, 12,815.36 and 5,750.90

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Solution

The fourth proportional to 9,284.73, 12,815.36 and 5,750.90 is: 7,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,284.73 : 12,815.36 = 5,750.90 : x
  2. Step 2: Convert to fraction form
    9,284.73/12,815.36 = 5,750.90/x
  3. Step 3: Cross multiply
    9,284.73x = 12,815.36 × 5,750.90
  4. Step 4: Simplify right side
    9,284.73x = 73,699,862.96
  5. Step 5: Solve for x
    x = 73,699,862.96/9,284.73
  6. Step 6: Final answer
    x = 7,937.75

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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.