Home / 7,718.94-10,623.69-6,581.70

Finding the Fourth Proportional to 7,718.94, 10,623.69 and 6,581.70

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Solution

The fourth proportional to 7,718.94, 10,623.69 and 6,581.70 is: 9,058.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.94 : 10,623.69 = 6,581.70 : x
  2. Step 2: Convert to fraction form
    7,718.94/10,623.69 = 6,581.70/x
  3. Step 3: Cross multiply
    7,718.94x = 10,623.69 × 6,581.70
  4. Step 4: Simplify right side
    7,718.94x = 69,921,940.47
  5. Step 5: Solve for x
    x = 69,921,940.47/7,718.94
  6. Step 6: Final answer
    x = 9,058.49

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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.