Home / 7,400.61-11,101.03-2,470.28

Finding the Fourth Proportional to 7,400.61, 11,101.03 and 2,470.28

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Solution

The fourth proportional to 7,400.61, 11,101.03 and 2,470.28 is: 3,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.61 : 11,101.03 = 2,470.28 : x
  2. Step 2: Convert to fraction form
    7,400.61/11,101.03 = 2,470.28/x
  3. Step 3: Cross multiply
    7,400.61x = 11,101.03 × 2,470.28
  4. Step 4: Simplify right side
    7,400.61x = 27,422,590.71
  5. Step 5: Solve for x
    x = 27,422,590.71/7,400.61
  6. Step 6: Final answer
    x = 3,705.45

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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.