Home / 9,479.58-14,209.85-5,321.45

Finding the Fourth Proportional to 9,479.58, 14,209.85 and 5,321.45

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Solution

The fourth proportional to 9,479.58, 14,209.85 and 5,321.45 is: 7,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.58 : 14,209.85 = 5,321.45 : x
  2. Step 2: Convert to fraction form
    9,479.58/14,209.85 = 5,321.45/x
  3. Step 3: Cross multiply
    9,479.58x = 14,209.85 × 5,321.45
  4. Step 4: Simplify right side
    9,479.58x = 75,616,908.63
  5. Step 5: Solve for x
    x = 75,616,908.63/9,479.58
  6. Step 6: Final answer
    x = 7,976.82

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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.