Home / 6,290.11-9,437.75-2,778.26

Finding the Fourth Proportional to 6,290.11, 9,437.75 and 2,778.26

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Solution

The fourth proportional to 6,290.11, 9,437.75 and 2,778.26 is: 4,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.11 : 9,437.75 = 2,778.26 : x
  2. Step 2: Convert to fraction form
    6,290.11/9,437.75 = 2,778.26/x
  3. Step 3: Cross multiply
    6,290.11x = 9,437.75 × 2,778.26
  4. Step 4: Simplify right side
    6,290.11x = 26,220,509.42
  5. Step 5: Solve for x
    x = 26,220,509.42/6,290.11
  6. Step 6: Final answer
    x = 4,168.53

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1.5x scale

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.