Home / 7,856.83-10,842.96-4,499.74

Finding the Fourth Proportional to 7,856.83, 10,842.96 and 4,499.74

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Solution

The fourth proportional to 7,856.83, 10,842.96 and 4,499.74 is: 6,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856.83 : 10,842.96 = 4,499.74 : x
  2. Step 2: Convert to fraction form
    7,856.83/10,842.96 = 4,499.74/x
  3. Step 3: Cross multiply
    7,856.83x = 10,842.96 × 4,499.74
  4. Step 4: Simplify right side
    7,856.83x = 48,790,500.83
  5. Step 5: Solve for x
    x = 48,790,500.83/7,856.83
  6. Step 6: Final answer
    x = 6,209.95

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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.