Home / 9,148.32-13,719.60-4,763.40

Finding the Fourth Proportional to 9,148.32, 13,719.60 and 4,763.40

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Solution

The fourth proportional to 9,148.32, 13,719.60 and 4,763.40 is: 7,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.32 : 13,719.60 = 4,763.40 : x
  2. Step 2: Convert to fraction form
    9,148.32/13,719.60 = 4,763.40/x
  3. Step 3: Cross multiply
    9,148.32x = 13,719.60 × 4,763.40
  4. Step 4: Simplify right side
    9,148.32x = 65,351,942.64
  5. Step 5: Solve for x
    x = 65,351,942.64/9,148.32
  6. Step 6: Final answer
    x = 7,143.60

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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.