Home / 8,931.05-13,396.57-3,088.11

Finding the Fourth Proportional to 8,931.05, 13,396.57 and 3,088.11

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Solution

The fourth proportional to 8,931.05, 13,396.57 and 3,088.11 is: 4,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.05 : 13,396.57 = 3,088.11 : x
  2. Step 2: Convert to fraction form
    8,931.05/13,396.57 = 3,088.11/x
  3. Step 3: Cross multiply
    8,931.05x = 13,396.57 × 3,088.11
  4. Step 4: Simplify right side
    8,931.05x = 41,370,081.78
  5. Step 5: Solve for x
    x = 41,370,081.78/8,931.05
  6. Step 6: Final answer
    x = 4,632.16

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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.