Home / 7,856.44-10,842.38-4,319.96

Finding the Fourth Proportional to 7,856.44, 10,842.38 and 4,319.96

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Solution

The fourth proportional to 7,856.44, 10,842.38 and 4,319.96 is: 5,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856.44 : 10,842.38 = 4,319.96 : x
  2. Step 2: Convert to fraction form
    7,856.44/10,842.38 = 4,319.96/x
  3. Step 3: Cross multiply
    7,856.44x = 10,842.38 × 4,319.96
  4. Step 4: Simplify right side
    7,856.44x = 46,838,647.90
  5. Step 5: Solve for x
    x = 46,838,647.90/7,856.44
  6. Step 6: Final answer
    x = 5,961.82

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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.