Home / 7,665.67-10,579.60-4,680.87

Finding the Fourth Proportional to 7,665.67, 10,579.60 and 4,680.87

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Solution

The fourth proportional to 7,665.67, 10,579.60 and 4,680.87 is: 6,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.67 : 10,579.60 = 4,680.87 : x
  2. Step 2: Convert to fraction form
    7,665.67/10,579.60 = 4,680.87/x
  3. Step 3: Cross multiply
    7,665.67x = 10,579.60 × 4,680.87
  4. Step 4: Simplify right side
    7,665.67x = 49,521,732.25
  5. Step 5: Solve for x
    x = 49,521,732.25/7,665.67
  6. Step 6: Final answer
    x = 6,460.20

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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.