Home / 4,191.84-6,285.36-1,269.28

Finding the Fourth Proportional to 4,191.84, 6,285.36 and 1,269.28

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Solution

The fourth proportional to 4,191.84, 6,285.36 and 1,269.28 is: 1,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.84 : 6,285.36 = 1,269.28 : x
  2. Step 2: Convert to fraction form
    4,191.84/6,285.36 = 1,269.28/x
  3. Step 3: Cross multiply
    4,191.84x = 6,285.36 × 1,269.28
  4. Step 4: Simplify right side
    4,191.84x = 7,977,881.74
  5. Step 5: Solve for x
    x = 7,977,881.74/4,191.84
  6. Step 6: Final answer
    x = 1,903.19

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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.