Home / 8,748.05-12,072.56-4,769.42

Finding the Fourth Proportional to 8,748.05, 12,072.56 and 4,769.42

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Solution

The fourth proportional to 8,748.05, 12,072.56 and 4,769.42 is: 6,581.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.05 : 12,072.56 = 4,769.42 : x
  2. Step 2: Convert to fraction form
    8,748.05/12,072.56 = 4,769.42/x
  3. Step 3: Cross multiply
    8,748.05x = 12,072.56 × 4,769.42
  4. Step 4: Simplify right side
    8,748.05x = 57,579,024.91
  5. Step 5: Solve for x
    x = 57,579,024.91/8,748.05
  6. Step 6: Final answer
    x = 6,581.93

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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.