Home / 4,377.60-6,560.70-1,777.50

Finding the Fourth Proportional to 4,377.60, 6,560.70 and 1,777.50

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Solution

The fourth proportional to 4,377.60, 6,560.70 and 1,777.50 is: 2,663.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,377.60 : 6,560.70 = 1,777.50 : x
  2. Step 2: Convert to fraction form
    4,377.60/6,560.70 = 1,777.50/x
  3. Step 3: Cross multiply
    4,377.60x = 6,560.70 × 1,777.50
  4. Step 4: Simplify right side
    4,377.60x = 11,661,644.25
  5. Step 5: Solve for x
    x = 11,661,644.25/4,377.60
  6. Step 6: Final answer
    x = 2,663.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.