Home / 4,317.15-5,954.40-3,720.68

Finding the Fourth Proportional to 4,317.15, 5,954.40 and 3,720.68

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Solution

The fourth proportional to 4,317.15, 5,954.40 and 3,720.68 is: 5,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.15 : 5,954.40 = 3,720.68 : x
  2. Step 2: Convert to fraction form
    4,317.15/5,954.40 = 3,720.68/x
  3. Step 3: Cross multiply
    4,317.15x = 5,954.40 × 3,720.68
  4. Step 4: Simplify right side
    4,317.15x = 22,154,416.99
  5. Step 5: Solve for x
    x = 22,154,416.99/4,317.15
  6. Step 6: Final answer
    x = 5,131.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.