Home / 8,748.32-12,072.64-4,769.42

Finding the Fourth Proportional to 8,748.32, 12,072.64 and 4,769.42

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Solution

The fourth proportional to 8,748.32, 12,072.64 and 4,769.42 is: 6,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.32 : 12,072.64 = 4,769.42 : x
  2. Step 2: Convert to fraction form
    8,748.32/12,072.64 = 4,769.42/x
  3. Step 3: Cross multiply
    8,748.32x = 12,072.64 × 4,769.42
  4. Step 4: Simplify right side
    8,748.32x = 57,579,406.46
  5. Step 5: Solve for x
    x = 57,579,406.46/8,748.32
  6. Step 6: Final answer
    x = 6,581.77

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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.