Home / 4,726.76-7,091.21-1,439.91

Finding the Fourth Proportional to 4,726.76, 7,091.21 and 1,439.91

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Solution

The fourth proportional to 4,726.76, 7,091.21 and 1,439.91 is: 2,160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.76 : 7,091.21 = 1,439.91 : x
  2. Step 2: Convert to fraction form
    4,726.76/7,091.21 = 1,439.91/x
  3. Step 3: Cross multiply
    4,726.76x = 7,091.21 × 1,439.91
  4. Step 4: Simplify right side
    4,726.76x = 10,210,707.79
  5. Step 5: Solve for x
    x = 10,210,707.79/4,726.76
  6. Step 6: Final answer
    x = 2,160.19

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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.