Home / 7,726.61-11,586.04-3,778.18

Finding the Fourth Proportional to 7,726.61, 11,586.04 and 3,778.18

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Solution

The fourth proportional to 7,726.61, 11,586.04 and 3,778.18 is: 5,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.61 : 11,586.04 = 3,778.18 : x
  2. Step 2: Convert to fraction form
    7,726.61/11,586.04 = 3,778.18/x
  3. Step 3: Cross multiply
    7,726.61x = 11,586.04 × 3,778.18
  4. Step 4: Simplify right side
    7,726.61x = 43,774,106.20
  5. Step 5: Solve for x
    x = 43,774,106.20/7,726.61
  6. Step 6: Final answer
    x = 5,665.37

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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.