Home / 7,856.28-10,841.88-4,319.71

Finding the Fourth Proportional to 7,856.28, 10,841.88 and 4,319.71

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Solution

The fourth proportional to 7,856.28, 10,841.88 and 4,319.71 is: 5,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856.28 : 10,841.88 = 4,319.71 : x
  2. Step 2: Convert to fraction form
    7,856.28/10,841.88 = 4,319.71/x
  3. Step 3: Cross multiply
    7,856.28x = 10,841.88 × 4,319.71
  4. Step 4: Simplify right side
    7,856.28x = 46,833,777.45
  5. Step 5: Solve for x
    x = 46,833,777.45/7,856.28
  6. Step 6: Final answer
    x = 5,961.32

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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.