Home / 6,290.84-9,431.70-2,959.31

Finding the Fourth Proportional to 6,290.84, 9,431.70 and 2,959.31

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Solution

The fourth proportional to 6,290.84, 9,431.70 and 2,959.31 is: 4,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.84 : 9,431.70 = 2,959.31 : x
  2. Step 2: Convert to fraction form
    6,290.84/9,431.70 = 2,959.31/x
  3. Step 3: Cross multiply
    6,290.84x = 9,431.70 × 2,959.31
  4. Step 4: Simplify right side
    6,290.84x = 27,911,324.13
  5. Step 5: Solve for x
    x = 27,911,324.13/6,290.84
  6. Step 6: Final answer
    x = 4,436.82

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1.5x scale

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.