Home / 4,425.98-6,640.65-1,959.08

Finding the Fourth Proportional to 4,425.98, 6,640.65 and 1,959.08

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Solution

The fourth proportional to 4,425.98, 6,640.65 and 1,959.08 is: 2,939.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.98 : 6,640.65 = 1,959.08 : x
  2. Step 2: Convert to fraction form
    4,425.98/6,640.65 = 1,959.08/x
  3. Step 3: Cross multiply
    4,425.98x = 6,640.65 × 1,959.08
  4. Step 4: Simplify right side
    4,425.98x = 13,009,531.40
  5. Step 5: Solve for x
    x = 13,009,531.40/4,425.98
  6. Step 6: Final answer
    x = 2,939.36

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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.