Home / 4,756.31-6,564.20-2,739.80

Finding the Fourth Proportional to 4,756.31, 6,564.20 and 2,739.80

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Solution

The fourth proportional to 4,756.31, 6,564.20 and 2,739.80 is: 3,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.31 : 6,564.20 = 2,739.80 : x
  2. Step 2: Convert to fraction form
    4,756.31/6,564.20 = 2,739.80/x
  3. Step 3: Cross multiply
    4,756.31x = 6,564.20 × 2,739.80
  4. Step 4: Simplify right side
    4,756.31x = 17,984,569.19
  5. Step 5: Solve for x
    x = 17,984,569.19/4,756.31
  6. Step 6: Final answer
    x = 3,781.20

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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.