Home / 9,334.66-12,881.53-5,355.71

Finding the Fourth Proportional to 9,334.66, 12,881.53 and 5,355.71

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Solution

The fourth proportional to 9,334.66, 12,881.53 and 5,355.71 is: 7,390.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.66 : 12,881.53 = 5,355.71 : x
  2. Step 2: Convert to fraction form
    9,334.66/12,881.53 = 5,355.71/x
  3. Step 3: Cross multiply
    9,334.66x = 12,881.53 × 5,355.71
  4. Step 4: Simplify right side
    9,334.66x = 68,989,739.04
  5. Step 5: Solve for x
    x = 68,989,739.04/9,334.66
  6. Step 6: Final answer
    x = 7,390.71

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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.