Home / 5,053.83-7,580.70-1,305.60

Finding the Fourth Proportional to 5,053.83, 7,580.70 and 1,305.60

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Solution

The fourth proportional to 5,053.83, 7,580.70 and 1,305.60 is: 1,958.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.83 : 7,580.70 = 1,305.60 : x
  2. Step 2: Convert to fraction form
    5,053.83/7,580.70 = 1,305.60/x
  3. Step 3: Cross multiply
    5,053.83x = 7,580.70 × 1,305.60
  4. Step 4: Simplify right side
    5,053.83x = 9,897,333.49
  5. Step 5: Solve for x
    x = 9,897,333.49/5,053.83
  6. Step 6: Final answer
    x = 1,958.38

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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.