Home / 4,290.84-6,436.37-1,369.14

Finding the Fourth Proportional to 4,290.84, 6,436.37 and 1,369.14

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Solution

The fourth proportional to 4,290.84, 6,436.37 and 1,369.14 is: 2,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.84 : 6,436.37 = 1,369.14 : x
  2. Step 2: Convert to fraction form
    4,290.84/6,436.37 = 1,369.14/x
  3. Step 3: Cross multiply
    4,290.84x = 6,436.37 × 1,369.14
  4. Step 4: Simplify right side
    4,290.84x = 8,812,307.11
  5. Step 5: Solve for x
    x = 8,812,307.11/4,290.84
  6. Step 6: Final answer
    x = 2,053.75

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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.