Home / 8,940.60-13,417.38-3,319.07

Finding the Fourth Proportional to 8,940.60, 13,417.38 and 3,319.07

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Solution

The fourth proportional to 8,940.60, 13,417.38 and 3,319.07 is: 4,981.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.60 : 13,417.38 = 3,319.07 : x
  2. Step 2: Convert to fraction form
    8,940.60/13,417.38 = 3,319.07/x
  3. Step 3: Cross multiply
    8,940.60x = 13,417.38 × 3,319.07
  4. Step 4: Simplify right side
    8,940.60x = 44,533,223.44
  5. Step 5: Solve for x
    x = 44,533,223.44/8,940.60
  6. Step 6: Final answer
    x = 4,981.01

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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.