Home / 4,210.58-6,340.36-3,122.66

Finding the Fourth Proportional to 4,210.58, 6,340.36 and 3,122.66

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Solution

The fourth proportional to 4,210.58, 6,340.36 and 3,122.66 is: 4,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.58 : 6,340.36 = 3,122.66 : x
  2. Step 2: Convert to fraction form
    4,210.58/6,340.36 = 3,122.66/x
  3. Step 3: Cross multiply
    4,210.58x = 6,340.36 × 3,122.66
  4. Step 4: Simplify right side
    4,210.58x = 19,798,772.94
  5. Step 5: Solve for x
    x = 19,798,772.94/4,210.58
  6. Step 6: Final answer
    x = 4,702.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.