Home / 5,637.92-7,779.80-3,247.25

Finding the Fourth Proportional to 5,637.92, 7,779.80 and 3,247.25

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Solution

The fourth proportional to 5,637.92, 7,779.80 and 3,247.25 is: 4,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.92 : 7,779.80 = 3,247.25 : x
  2. Step 2: Convert to fraction form
    5,637.92/7,779.80 = 3,247.25/x
  3. Step 3: Cross multiply
    5,637.92x = 7,779.80 × 3,247.25
  4. Step 4: Simplify right side
    5,637.92x = 25,262,955.55
  5. Step 5: Solve for x
    x = 25,262,955.55/5,637.92
  6. Step 6: Final answer
    x = 4,480.90

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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.