Home / 8,749.08-12,076.26-5,214.72

Finding the Fourth Proportional to 8,749.08, 12,076.26 and 5,214.72

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Solution

The fourth proportional to 8,749.08, 12,076.26 and 5,214.72 is: 7,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.08 : 12,076.26 = 5,214.72 : x
  2. Step 2: Convert to fraction form
    8,749.08/12,076.26 = 5,214.72/x
  3. Step 3: Cross multiply
    8,749.08x = 12,076.26 × 5,214.72
  4. Step 4: Simplify right side
    8,749.08x = 62,974,314.55
  5. Step 5: Solve for x
    x = 62,974,314.55/8,749.08
  6. Step 6: Final answer
    x = 7,197.82

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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.