Home / 7,616.35-10,509.91-4,429.71

Finding the Fourth Proportional to 7,616.35, 10,509.91 and 4,429.71

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Solution

The fourth proportional to 7,616.35, 10,509.91 and 4,429.71 is: 6,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.35 : 10,509.91 = 4,429.71 : x
  2. Step 2: Convert to fraction form
    7,616.35/10,509.91 = 4,429.71/x
  3. Step 3: Cross multiply
    7,616.35x = 10,509.91 × 4,429.71
  4. Step 4: Simplify right side
    7,616.35x = 46,555,842.35
  5. Step 5: Solve for x
    x = 46,555,842.35/7,616.35
  6. Step 6: Final answer
    x = 6,112.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.