Home / 7,641.72-10,551.83-4,813.65

Finding the Fourth Proportional to 7,641.72, 10,551.83 and 4,813.65

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Solution

The fourth proportional to 7,641.72, 10,551.83 and 4,813.65 is: 6,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.72 : 10,551.83 = 4,813.65 : x
  2. Step 2: Convert to fraction form
    7,641.72/10,551.83 = 4,813.65/x
  3. Step 3: Cross multiply
    7,641.72x = 10,551.83 × 4,813.65
  4. Step 4: Simplify right side
    7,641.72x = 50,792,816.48
  5. Step 5: Solve for x
    x = 50,792,816.48/7,641.72
  6. Step 6: Final answer
    x = 6,646.78

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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.