Home / 9,280.98-13,919.04-3,434.40

Finding the Fourth Proportional to 9,280.98, 13,919.04 and 3,434.40

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Solution

The fourth proportional to 9,280.98, 13,919.04 and 3,434.40 is: 5,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.98 : 13,919.04 = 3,434.40 : x
  2. Step 2: Convert to fraction form
    9,280.98/13,919.04 = 3,434.40/x
  3. Step 3: Cross multiply
    9,280.98x = 13,919.04 × 3,434.40
  4. Step 4: Simplify right side
    9,280.98x = 47,803,550.98
  5. Step 5: Solve for x
    x = 47,803,550.98/9,280.98
  6. Step 6: Final answer
    x = 5,150.70

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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.