Home / 9,120.94-13,668.55-4,307.24

Finding the Fourth Proportional to 9,120.94, 13,668.55 and 4,307.24

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Solution

The fourth proportional to 9,120.94, 13,668.55 and 4,307.24 is: 6,454.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.94 : 13,668.55 = 4,307.24 : x
  2. Step 2: Convert to fraction form
    9,120.94/13,668.55 = 4,307.24/x
  3. Step 3: Cross multiply
    9,120.94x = 13,668.55 × 4,307.24
  4. Step 4: Simplify right side
    9,120.94x = 58,873,725.30
  5. Step 5: Solve for x
    x = 58,873,725.30/9,120.94
  6. Step 6: Final answer
    x = 6,454.79

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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.