Home / 8,748.15-12,083.97-6,484.08

Finding the Fourth Proportional to 8,748.15, 12,083.97 and 6,484.08

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Solution

The fourth proportional to 8,748.15, 12,083.97 and 6,484.08 is: 8,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.15 : 12,083.97 = 6,484.08 : x
  2. Step 2: Convert to fraction form
    8,748.15/12,083.97 = 6,484.08/x
  3. Step 3: Cross multiply
    8,748.15x = 12,083.97 × 6,484.08
  4. Step 4: Simplify right side
    8,748.15x = 78,353,428.20
  5. Step 5: Solve for x
    x = 78,353,428.20/8,748.15
  6. Step 6: Final answer
    x = 8,956.57

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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.