Home / 4,772.90-7,150.13-2,686.57

Finding the Fourth Proportional to 4,772.90, 7,150.13 and 2,686.57

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Solution

The fourth proportional to 4,772.90, 7,150.13 and 2,686.57 is: 4,024.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.90 : 7,150.13 = 2,686.57 : x
  2. Step 2: Convert to fraction form
    4,772.90/7,150.13 = 2,686.57/x
  3. Step 3: Cross multiply
    4,772.90x = 7,150.13 × 2,686.57
  4. Step 4: Simplify right side
    4,772.90x = 19,209,303.52
  5. Step 5: Solve for x
    x = 19,209,303.52/4,772.90
  6. Step 6: Final answer
    x = 4,024.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.