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Finding the Fourth Proportional to 4,901.86, 6,764.54 and 2,663.69

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Solution

The fourth proportional to 4,901.86, 6,764.54 and 2,663.69 is: 3,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.86 : 6,764.54 = 2,663.69 : x
  2. Step 2: Convert to fraction form
    4,901.86/6,764.54 = 2,663.69/x
  3. Step 3: Cross multiply
    4,901.86x = 6,764.54 × 2,663.69
  4. Step 4: Simplify right side
    4,901.86x = 18,018,637.55
  5. Step 5: Solve for x
    x = 18,018,637.55/4,901.86
  6. Step 6: Final answer
    x = 3,675.88

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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.