Home / 8,747.81-12,072.21-4,769.16

Finding the Fourth Proportional to 8,747.81, 12,072.21 and 4,769.16

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Solution

The fourth proportional to 8,747.81, 12,072.21 and 4,769.16 is: 6,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.81 : 12,072.21 = 4,769.16 : x
  2. Step 2: Convert to fraction form
    8,747.81/12,072.21 = 4,769.16/x
  3. Step 3: Cross multiply
    8,747.81x = 12,072.21 × 4,769.16
  4. Step 4: Simplify right side
    8,747.81x = 57,574,301.04
  5. Step 5: Solve for x
    x = 57,574,301.04/8,747.81
  6. Step 6: Final answer
    x = 6,581.57

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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.