Home / 8,748.18-12,072.63-4,769.28

Finding the Fourth Proportional to 8,748.18, 12,072.63 and 4,769.28

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Solution

The fourth proportional to 8,748.18, 12,072.63 and 4,769.28 is: 6,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.18 : 12,072.63 = 4,769.28 : x
  2. Step 2: Convert to fraction form
    8,748.18/12,072.63 = 4,769.28/x
  3. Step 3: Cross multiply
    8,748.18x = 12,072.63 × 4,769.28
  4. Step 4: Simplify right side
    8,748.18x = 57,577,752.81
  5. Step 5: Solve for x
    x = 57,577,752.81/8,748.18
  6. Step 6: Final answer
    x = 6,581.68

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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.