Home / 9,479.15-14,219.36-2,909.91

Finding the Fourth Proportional to 9,479.15, 14,219.36 and 2,909.91

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Solution

The fourth proportional to 9,479.15, 14,219.36 and 2,909.91 is: 4,365.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.15 : 14,219.36 = 2,909.91 : x
  2. Step 2: Convert to fraction form
    9,479.15/14,219.36 = 2,909.91/x
  3. Step 3: Cross multiply
    9,479.15x = 14,219.36 × 2,909.91
  4. Step 4: Simplify right side
    9,479.15x = 41,377,043.31
  5. Step 5: Solve for x
    x = 41,377,043.31/9,479.15
  6. Step 6: Final answer
    x = 4,365.06

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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.