Home / 5,368.73-8,052.14-1,420.02

Finding the Fourth Proportional to 5,368.73, 8,052.14 and 1,420.02

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Solution

The fourth proportional to 5,368.73, 8,052.14 and 1,420.02 is: 2,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.73 : 8,052.14 = 1,420.02 : x
  2. Step 2: Convert to fraction form
    5,368.73/8,052.14 = 1,420.02/x
  3. Step 3: Cross multiply
    5,368.73x = 8,052.14 × 1,420.02
  4. Step 4: Simplify right side
    5,368.73x = 11,434,192.74
  5. Step 5: Solve for x
    x = 11,434,192.74/5,368.73
  6. Step 6: Final answer
    x = 2,129.78

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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.