Home / 4,757.78-6,564.97-2,988.13

Finding the Fourth Proportional to 4,757.78, 6,564.97 and 2,988.13

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Solution

The fourth proportional to 4,757.78, 6,564.97 and 2,988.13 is: 4,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.78 : 6,564.97 = 2,988.13 : x
  2. Step 2: Convert to fraction form
    4,757.78/6,564.97 = 2,988.13/x
  3. Step 3: Cross multiply
    4,757.78x = 6,564.97 × 2,988.13
  4. Step 4: Simplify right side
    4,757.78x = 19,616,983.81
  5. Step 5: Solve for x
    x = 19,616,983.81/4,757.78
  6. Step 6: Final answer
    x = 4,123.14

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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.