Home / 6,623.60-9,137.34-3,970.04

Finding the Fourth Proportional to 6,623.60, 9,137.34 and 3,970.04

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Solution

The fourth proportional to 6,623.60, 9,137.34 and 3,970.04 is: 5,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.60 : 9,137.34 = 3,970.04 : x
  2. Step 2: Convert to fraction form
    6,623.60/9,137.34 = 3,970.04/x
  3. Step 3: Cross multiply
    6,623.60x = 9,137.34 × 3,970.04
  4. Step 4: Simplify right side
    6,623.60x = 36,275,605.29
  5. Step 5: Solve for x
    x = 36,275,605.29/6,623.60
  6. Step 6: Final answer
    x = 5,476.72

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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.