Home / 9,391.70-12,961.95-5,856.05

Finding the Fourth Proportional to 9,391.70, 12,961.95 and 5,856.05

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Solution

The fourth proportional to 9,391.70, 12,961.95 and 5,856.05 is: 8,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,391.70 : 12,961.95 = 5,856.05 : x
  2. Step 2: Convert to fraction form
    9,391.70/12,961.95 = 5,856.05/x
  3. Step 3: Cross multiply
    9,391.70x = 12,961.95 × 5,856.05
  4. Step 4: Simplify right side
    9,391.70x = 75,905,827.30
  5. Step 5: Solve for x
    x = 75,905,827.30/9,391.70
  6. Step 6: Final answer
    x = 8,082.22

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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.