Home / 9,085.65-13,628.88-4,711.65

Finding the Fourth Proportional to 9,085.65, 13,628.88 and 4,711.65

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Solution

The fourth proportional to 9,085.65, 13,628.88 and 4,711.65 is: 7,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.65 : 13,628.88 = 4,711.65 : x
  2. Step 2: Convert to fraction form
    9,085.65/13,628.88 = 4,711.65/x
  3. Step 3: Cross multiply
    9,085.65x = 13,628.88 × 4,711.65
  4. Step 4: Simplify right side
    9,085.65x = 64,214,512.45
  5. Step 5: Solve for x
    x = 64,214,512.45/9,085.65
  6. Step 6: Final answer
    x = 7,067.69

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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.