Home / 7,726.70-11,588.76-2,798.66

Finding the Fourth Proportional to 7,726.70, 11,588.76 and 2,798.66

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Solution

The fourth proportional to 7,726.70, 11,588.76 and 2,798.66 is: 4,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.70 : 11,588.76 = 2,798.66 : x
  2. Step 2: Convert to fraction form
    7,726.70/11,588.76 = 2,798.66/x
  3. Step 3: Cross multiply
    7,726.70x = 11,588.76 × 2,798.66
  4. Step 4: Simplify right side
    7,726.70x = 32,432,999.06
  5. Step 5: Solve for x
    x = 32,432,999.06/7,726.70
  6. Step 6: Final answer
    x = 4,197.52

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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.