Home / 5,317.23-7,334.51-3,428.11

Finding the Fourth Proportional to 5,317.23, 7,334.51 and 3,428.11

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Solution

The fourth proportional to 5,317.23, 7,334.51 and 3,428.11 is: 4,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.23 : 7,334.51 = 3,428.11 : x
  2. Step 2: Convert to fraction form
    5,317.23/7,334.51 = 3,428.11/x
  3. Step 3: Cross multiply
    5,317.23x = 7,334.51 × 3,428.11
  4. Step 4: Simplify right side
    5,317.23x = 25,143,507.08
  5. Step 5: Solve for x
    x = 25,143,507.08/5,317.23
  6. Step 6: Final answer
    x = 4,728.69

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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.