Home / 6,260.40-9,378.72-3,340.08

Finding the Fourth Proportional to 6,260.40, 9,378.72 and 3,340.08

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Solution

The fourth proportional to 6,260.40, 9,378.72 and 3,340.08 is: 5,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,260.40 : 9,378.72 = 3,340.08 : x
  2. Step 2: Convert to fraction form
    6,260.40/9,378.72 = 3,340.08/x
  3. Step 3: Cross multiply
    6,260.40x = 9,378.72 × 3,340.08
  4. Step 4: Simplify right side
    6,260.40x = 31,325,675.10
  5. Step 5: Solve for x
    x = 31,325,675.10/6,260.40
  6. Step 6: Final answer
    x = 5,003.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.