Home / 6,724.10-9,278.54-3,739.45

Finding the Fourth Proportional to 6,724.10, 9,278.54 and 3,739.45

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Solution

The fourth proportional to 6,724.10, 9,278.54 and 3,739.45 is: 5,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.10 : 9,278.54 = 3,739.45 : x
  2. Step 2: Convert to fraction form
    6,724.10/9,278.54 = 3,739.45/x
  3. Step 3: Cross multiply
    6,724.10x = 9,278.54 × 3,739.45
  4. Step 4: Simplify right side
    6,724.10x = 34,696,636.40
  5. Step 5: Solve for x
    x = 34,696,636.40/6,724.10
  6. Step 6: Final answer
    x = 5,160.05

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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.