Home / 9,279.48-13,919.22-2,259.45

Finding the Fourth Proportional to 9,279.48, 13,919.22 and 2,259.45

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Solution

The fourth proportional to 9,279.48, 13,919.22 and 2,259.45 is: 3,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.48 : 13,919.22 = 2,259.45 : x
  2. Step 2: Convert to fraction form
    9,279.48/13,919.22 = 2,259.45/x
  3. Step 3: Cross multiply
    9,279.48x = 13,919.22 × 2,259.45
  4. Step 4: Simplify right side
    9,279.48x = 31,449,781.63
  5. Step 5: Solve for x
    x = 31,449,781.63/9,279.48
  6. Step 6: Final answer
    x = 3,389.18

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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.