Home / 6,665.78-9,999.30-2,284.40

Finding the Fourth Proportional to 6,665.78, 9,999.30 and 2,284.40

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Solution

The fourth proportional to 6,665.78, 9,999.30 and 2,284.40 is: 3,426.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.78 : 9,999.30 = 2,284.40 : x
  2. Step 2: Convert to fraction form
    6,665.78/9,999.30 = 2,284.40/x
  3. Step 3: Cross multiply
    6,665.78x = 9,999.30 × 2,284.40
  4. Step 4: Simplify right side
    6,665.78x = 22,842,400.92
  5. Step 5: Solve for x
    x = 22,842,400.92/6,665.78
  6. Step 6: Final answer
    x = 3,426.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.