Home / 4,901.87-6,764.40-2,663.70

Finding the Fourth Proportional to 4,901.87, 6,764.40 and 2,663.70

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Solution

The fourth proportional to 4,901.87, 6,764.40 and 2,663.70 is: 3,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.87 : 6,764.40 = 2,663.70 : x
  2. Step 2: Convert to fraction form
    4,901.87/6,764.40 = 2,663.70/x
  3. Step 3: Cross multiply
    4,901.87x = 6,764.40 × 2,663.70
  4. Step 4: Simplify right side
    4,901.87x = 18,018,330.48
  5. Step 5: Solve for x
    x = 18,018,330.48/4,901.87
  6. Step 6: Final answer
    x = 3,675.81

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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.