Home / 6,970.42-9,619.32-3,826.81

Finding the Fourth Proportional to 6,970.42, 9,619.32 and 3,826.81

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Solution

The fourth proportional to 6,970.42, 9,619.32 and 3,826.81 is: 5,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970.42 : 9,619.32 = 3,826.81 : x
  2. Step 2: Convert to fraction form
    6,970.42/9,619.32 = 3,826.81/x
  3. Step 3: Cross multiply
    6,970.42x = 9,619.32 × 3,826.81
  4. Step 4: Simplify right side
    6,970.42x = 36,811,309.97
  5. Step 5: Solve for x
    x = 36,811,309.97/6,970.42
  6. Step 6: Final answer
    x = 5,281.07

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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.