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Finding the Fourth Proportional to 7,650.48, 10,558.36 and 4,666.48

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Solution

The fourth proportional to 7,650.48, 10,558.36 and 4,666.48 is: 6,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.48 : 10,558.36 = 4,666.48 : x
  2. Step 2: Convert to fraction form
    7,650.48/10,558.36 = 4,666.48/x
  3. Step 3: Cross multiply
    7,650.48x = 10,558.36 × 4,666.48
  4. Step 4: Simplify right side
    7,650.48x = 49,270,375.77
  5. Step 5: Solve for x
    x = 49,270,375.77/7,650.48
  6. Step 6: Final answer
    x = 6,440.17

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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.