Home / 4,721.20-6,511.40-3,304.40

Finding the Fourth Proportional to 4,721.20, 6,511.40 and 3,304.40

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Solution

The fourth proportional to 4,721.20, 6,511.40 and 3,304.40 is: 4,557.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.20 : 6,511.40 = 3,304.40 : x
  2. Step 2: Convert to fraction form
    4,721.20/6,511.40 = 3,304.40/x
  3. Step 3: Cross multiply
    4,721.20x = 6,511.40 × 3,304.40
  4. Step 4: Simplify right side
    4,721.20x = 21,516,270.16
  5. Step 5: Solve for x
    x = 21,516,270.16/4,721.20
  6. Step 6: Final answer
    x = 4,557.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.