Home / 9,164.78-13,749.23-2,925.15

Finding the Fourth Proportional to 9,164.78, 13,749.23 and 2,925.15

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Solution

The fourth proportional to 9,164.78, 13,749.23 and 2,925.15 is: 4,388.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.78 : 13,749.23 = 2,925.15 : x
  2. Step 2: Convert to fraction form
    9,164.78/13,749.23 = 2,925.15/x
  3. Step 3: Cross multiply
    9,164.78x = 13,749.23 × 2,925.15
  4. Step 4: Simplify right side
    9,164.78x = 40,218,560.13
  5. Step 5: Solve for x
    x = 40,218,560.13/9,164.78
  6. Step 6: Final answer
    x = 4,388.38

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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.