Home / 5,648.81-8,470.10-4,486.25

Finding the Fourth Proportional to 5,648.81, 8,470.10 and 4,486.25

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Solution

The fourth proportional to 5,648.81, 8,470.10 and 4,486.25 is: 6,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.81 : 8,470.10 = 4,486.25 : x
  2. Step 2: Convert to fraction form
    5,648.81/8,470.10 = 4,486.25/x
  3. Step 3: Cross multiply
    5,648.81x = 8,470.10 × 4,486.25
  4. Step 4: Simplify right side
    5,648.81x = 37,999,018.52
  5. Step 5: Solve for x
    x = 37,999,018.52/5,648.81
  6. Step 6: Final answer
    x = 6,726.91

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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.