Home / 4,758.78-6,566.35-2,989.13

Finding the Fourth Proportional to 4,758.78, 6,566.35 and 2,989.13

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Solution

The fourth proportional to 4,758.78, 6,566.35 and 2,989.13 is: 4,124.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.78 : 6,566.35 = 2,989.13 : x
  2. Step 2: Convert to fraction form
    4,758.78/6,566.35 = 2,989.13/x
  3. Step 3: Cross multiply
    4,758.78x = 6,566.35 × 2,989.13
  4. Step 4: Simplify right side
    4,758.78x = 19,627,673.78
  5. Step 5: Solve for x
    x = 19,627,673.78/4,758.78
  6. Step 6: Final answer
    x = 4,124.52

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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.