Home / 6,688.08-9,230.70-3,854.95

Finding the Fourth Proportional to 6,688.08, 9,230.70 and 3,854.95

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Solution

The fourth proportional to 6,688.08, 9,230.70 and 3,854.95 is: 5,320.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.08 : 9,230.70 = 3,854.95 : x
  2. Step 2: Convert to fraction form
    6,688.08/9,230.70 = 3,854.95/x
  3. Step 3: Cross multiply
    6,688.08x = 9,230.70 × 3,854.95
  4. Step 4: Simplify right side
    6,688.08x = 35,583,886.97
  5. Step 5: Solve for x
    x = 35,583,886.97/6,688.08
  6. Step 6: Final answer
    x = 5,320.49

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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.