Home / 5,726.37-8,590.77-1,831.08

Finding the Fourth Proportional to 5,726.37, 8,590.77 and 1,831.08

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Solution

The fourth proportional to 5,726.37, 8,590.77 and 1,831.08 is: 2,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.37 : 8,590.77 = 1,831.08 : x
  2. Step 2: Convert to fraction form
    5,726.37/8,590.77 = 1,831.08/x
  3. Step 3: Cross multiply
    5,726.37x = 8,590.77 × 1,831.08
  4. Step 4: Simplify right side
    5,726.37x = 15,730,387.13
  5. Step 5: Solve for x
    x = 15,730,387.13/5,726.37
  6. Step 6: Final answer
    x = 2,747.01

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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.