Home / 6,279.17-9,408.77-3,317.51

Finding the Fourth Proportional to 6,279.17, 9,408.77 and 3,317.51

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Solution

The fourth proportional to 6,279.17, 9,408.77 and 3,317.51 is: 4,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.17 : 9,408.77 = 3,317.51 : x
  2. Step 2: Convert to fraction form
    6,279.17/9,408.77 = 3,317.51/x
  3. Step 3: Cross multiply
    6,279.17x = 9,408.77 × 3,317.51
  4. Step 4: Simplify right side
    6,279.17x = 31,213,624.93
  5. Step 5: Solve for x
    x = 31,213,624.93/6,279.17
  6. Step 6: Final answer
    x = 4,970.98

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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.