Home / 7,083.32-9,778.44-4,432.20

Finding the Fourth Proportional to 7,083.32, 9,778.44 and 4,432.20

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Solution

The fourth proportional to 7,083.32, 9,778.44 and 4,432.20 is: 6,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.32 : 9,778.44 = 4,432.20 : x
  2. Step 2: Convert to fraction form
    7,083.32/9,778.44 = 4,432.20/x
  3. Step 3: Cross multiply
    7,083.32x = 9,778.44 × 4,432.20
  4. Step 4: Simplify right side
    7,083.32x = 43,340,001.77
  5. Step 5: Solve for x
    x = 43,340,001.77/7,083.32
  6. Step 6: Final answer
    x = 6,118.60

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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.