Home / 9,208.20-12,715.08-5,856.96

Finding the Fourth Proportional to 9,208.20, 12,715.08 and 5,856.96

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Solution

The fourth proportional to 9,208.20, 12,715.08 and 5,856.96 is: 8,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.20 : 12,715.08 = 5,856.96 : x
  2. Step 2: Convert to fraction form
    9,208.20/12,715.08 = 5,856.96/x
  3. Step 3: Cross multiply
    9,208.20x = 12,715.08 × 5,856.96
  4. Step 4: Simplify right side
    9,208.20x = 74,471,714.96
  5. Step 5: Solve for x
    x = 74,471,714.96/9,208.20
  6. Step 6: Final answer
    x = 8,087.54

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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.