Home / 9,152.81-13,729.35-2,913.79

Finding the Fourth Proportional to 9,152.81, 13,729.35 and 2,913.79

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Solution

The fourth proportional to 9,152.81, 13,729.35 and 2,913.79 is: 4,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.81 : 13,729.35 = 2,913.79 : x
  2. Step 2: Convert to fraction form
    9,152.81/13,729.35 = 2,913.79/x
  3. Step 3: Cross multiply
    9,152.81x = 13,729.35 × 2,913.79
  4. Step 4: Simplify right side
    9,152.81x = 40,004,442.74
  5. Step 5: Solve for x
    x = 40,004,442.74/9,152.81
  6. Step 6: Final answer
    x = 4,370.73

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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.