Home / 6,290.11-8,680.26-3,637.77

Finding the Fourth Proportional to 6,290.11, 8,680.26 and 3,637.77

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Solution

The fourth proportional to 6,290.11, 8,680.26 and 3,637.77 is: 5,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.11 : 8,680.26 = 3,637.77 : x
  2. Step 2: Convert to fraction form
    6,290.11/8,680.26 = 3,637.77/x
  3. Step 3: Cross multiply
    6,290.11x = 8,680.26 × 3,637.77
  4. Step 4: Simplify right side
    6,290.11x = 31,576,746.02
  5. Step 5: Solve for x
    x = 31,576,746.02/6,290.11
  6. Step 6: Final answer
    x = 5,020.06

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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.