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Finding the Fourth Proportional to 7,663.04, 10,571.04 and 4,865.60

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Solution

The fourth proportional to 7,663.04, 10,571.04 and 4,865.60 is: 6,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.04 : 10,571.04 = 4,865.60 : x
  2. Step 2: Convert to fraction form
    7,663.04/10,571.04 = 4,865.60/x
  3. Step 3: Cross multiply
    7,663.04x = 10,571.04 × 4,865.60
  4. Step 4: Simplify right side
    7,663.04x = 51,434,452.22
  5. Step 5: Solve for x
    x = 51,434,452.22/7,663.04
  6. Step 6: Final answer
    x = 6,712.02

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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.