Home / 7,726.86-11,574.83-3,561.17

Finding the Fourth Proportional to 7,726.86, 11,574.83 and 3,561.17

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Solution

The fourth proportional to 7,726.86, 11,574.83 and 3,561.17 is: 5,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.86 : 11,574.83 = 3,561.17 : x
  2. Step 2: Convert to fraction form
    7,726.86/11,574.83 = 3,561.17/x
  3. Step 3: Cross multiply
    7,726.86x = 11,574.83 × 3,561.17
  4. Step 4: Simplify right side
    7,726.86x = 41,219,888.38
  5. Step 5: Solve for x
    x = 41,219,888.38/7,726.86
  6. Step 6: Final answer
    x = 5,334.62

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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.