Home / 9,081.40-13,622.52-4,707.40

Finding the Fourth Proportional to 9,081.40, 13,622.52 and 4,707.40

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Solution

The fourth proportional to 9,081.40, 13,622.52 and 4,707.40 is: 7,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.40 : 13,622.52 = 4,707.40 : x
  2. Step 2: Convert to fraction form
    9,081.40/13,622.52 = 4,707.40/x
  3. Step 3: Cross multiply
    9,081.40x = 13,622.52 × 4,707.40
  4. Step 4: Simplify right side
    9,081.40x = 64,126,650.65
  5. Step 5: Solve for x
    x = 64,126,650.65/9,081.40
  6. Step 6: Final answer
    x = 7,061.32

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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.