Home / 8,931.10-13,386.12-3,084.52

Finding the Fourth Proportional to 8,931.10, 13,386.12 and 3,084.52

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Solution

The fourth proportional to 8,931.10, 13,386.12 and 3,084.52 is: 4,623.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.10 : 13,386.12 = 3,084.52 : x
  2. Step 2: Convert to fraction form
    8,931.10/13,386.12 = 3,084.52/x
  3. Step 3: Cross multiply
    8,931.10x = 13,386.12 × 3,084.52
  4. Step 4: Simplify right side
    8,931.10x = 41,289,754.86
  5. Step 5: Solve for x
    x = 41,289,754.86/8,931.10
  6. Step 6: Final answer
    x = 4,623.14

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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.