Home / 5,154.19-7,726.69-2,520.27

Finding the Fourth Proportional to 5,154.19, 7,726.69 and 2,520.27

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Solution

The fourth proportional to 5,154.19, 7,726.69 and 2,520.27 is: 3,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.19 : 7,726.69 = 2,520.27 : x
  2. Step 2: Convert to fraction form
    5,154.19/7,726.69 = 2,520.27/x
  3. Step 3: Cross multiply
    5,154.19x = 7,726.69 × 2,520.27
  4. Step 4: Simplify right side
    5,154.19x = 19,473,345.01
  5. Step 5: Solve for x
    x = 19,473,345.01/5,154.19
  6. Step 6: Final answer
    x = 3,778.16

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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.