Home / 9,285.24-13,928.19-3,045.40

Finding the Fourth Proportional to 9,285.24, 13,928.19 and 3,045.40

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Solution

The fourth proportional to 9,285.24, 13,928.19 and 3,045.40 is: 4,568.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.24 : 13,928.19 = 3,045.40 : x
  2. Step 2: Convert to fraction form
    9,285.24/13,928.19 = 3,045.40/x
  3. Step 3: Cross multiply
    9,285.24x = 13,928.19 × 3,045.40
  4. Step 4: Simplify right side
    9,285.24x = 42,416,909.83
  5. Step 5: Solve for x
    x = 42,416,909.83/9,285.24
  6. Step 6: Final answer
    x = 4,568.21

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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.