Home / 8,919.50-13,378.23-2,346.19

Finding the Fourth Proportional to 8,919.50, 13,378.23 and 2,346.19

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Solution

The fourth proportional to 8,919.50, 13,378.23 and 2,346.19 is: 3,519.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.50 : 13,378.23 = 2,346.19 : x
  2. Step 2: Convert to fraction form
    8,919.50/13,378.23 = 2,346.19/x
  3. Step 3: Cross multiply
    8,919.50x = 13,378.23 × 2,346.19
  4. Step 4: Simplify right side
    8,919.50x = 31,387,836.00
  5. Step 5: Solve for x
    x = 31,387,836.00/8,919.50
  6. Step 6: Final answer
    x = 3,519.01

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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.