Home / 5,637.49-7,779.54-3,119.56

Finding the Fourth Proportional to 5,637.49, 7,779.54 and 3,119.56

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Solution

The fourth proportional to 5,637.49, 7,779.54 and 3,119.56 is: 4,304.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.49 : 7,779.54 = 3,119.56 : x
  2. Step 2: Convert to fraction form
    5,637.49/7,779.54 = 3,119.56/x
  3. Step 3: Cross multiply
    5,637.49x = 7,779.54 × 3,119.56
  4. Step 4: Simplify right side
    5,637.49x = 24,268,741.80
  5. Step 5: Solve for x
    x = 24,268,741.80/5,637.49
  6. Step 6: Final answer
    x = 4,304.88

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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.