Home / 8,102.34-11,176.96-5,580.08

Finding the Fourth Proportional to 8,102.34, 11,176.96 and 5,580.08

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Solution

The fourth proportional to 8,102.34, 11,176.96 and 5,580.08 is: 7,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.34 : 11,176.96 = 5,580.08 : x
  2. Step 2: Convert to fraction form
    8,102.34/11,176.96 = 5,580.08/x
  3. Step 3: Cross multiply
    8,102.34x = 11,176.96 × 5,580.08
  4. Step 4: Simplify right side
    8,102.34x = 62,368,330.96
  5. Step 5: Solve for x
    x = 62,368,330.96/8,102.34
  6. Step 6: Final answer
    x = 7,697.57

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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.