Home / 6,970.20-9,618.90-3,826.44

Finding the Fourth Proportional to 6,970.20, 9,618.90 and 3,826.44

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Solution

The fourth proportional to 6,970.20, 9,618.90 and 3,826.44 is: 5,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970.20 : 9,618.90 = 3,826.44 : x
  2. Step 2: Convert to fraction form
    6,970.20/9,618.90 = 3,826.44/x
  3. Step 3: Cross multiply
    6,970.20x = 9,618.90 × 3,826.44
  4. Step 4: Simplify right side
    6,970.20x = 36,806,143.72
  5. Step 5: Solve for x
    x = 36,806,143.72/6,970.20
  6. Step 6: Final answer
    x = 5,280.50

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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.