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Finding the Fourth Proportional to 9,280.17, 13,919.04 and 2,354.67

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Solution

The fourth proportional to 9,280.17, 13,919.04 and 2,354.67 is: 3,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.17 : 13,919.04 = 2,354.67 : x
  2. Step 2: Convert to fraction form
    9,280.17/13,919.04 = 2,354.67/x
  3. Step 3: Cross multiply
    9,280.17x = 13,919.04 × 2,354.67
  4. Step 4: Simplify right side
    9,280.17x = 32,774,745.92
  5. Step 5: Solve for x
    x = 32,774,745.92/9,280.17
  6. Step 6: Final answer
    x = 3,531.70

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1.5x scale

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.