Home / 7,665.85-10,579.74-4,263.20

Finding the Fourth Proportional to 7,665.85, 10,579.74 and 4,263.20

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Solution

The fourth proportional to 7,665.85, 10,579.74 and 4,263.20 is: 5,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.85 : 10,579.74 = 4,263.20 : x
  2. Step 2: Convert to fraction form
    7,665.85/10,579.74 = 4,263.20/x
  3. Step 3: Cross multiply
    7,665.85x = 10,579.74 × 4,263.20
  4. Step 4: Simplify right side
    7,665.85x = 45,103,505.33
  5. Step 5: Solve for x
    x = 45,103,505.33/7,665.85
  6. Step 6: Final answer
    x = 5,883.70

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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.