Home / 9,144.05-12,617.53-5,110.45

Finding the Fourth Proportional to 9,144.05, 12,617.53 and 5,110.45

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Solution

The fourth proportional to 9,144.05, 12,617.53 and 5,110.45 is: 7,051.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.05 : 12,617.53 = 5,110.45 : x
  2. Step 2: Convert to fraction form
    9,144.05/12,617.53 = 5,110.45/x
  3. Step 3: Cross multiply
    9,144.05x = 12,617.53 × 5,110.45
  4. Step 4: Simplify right side
    9,144.05x = 64,481,256.19
  5. Step 5: Solve for x
    x = 64,481,256.19/9,144.05
  6. Step 6: Final answer
    x = 7,051.72

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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.