Home / 6,417.80-9,626.70-2,258.45

Finding the Fourth Proportional to 6,417.80, 9,626.70 and 2,258.45

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Solution

The fourth proportional to 6,417.80, 9,626.70 and 2,258.45 is: 3,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.80 : 9,626.70 = 2,258.45 : x
  2. Step 2: Convert to fraction form
    6,417.80/9,626.70 = 2,258.45/x
  3. Step 3: Cross multiply
    6,417.80x = 9,626.70 × 2,258.45
  4. Step 4: Simplify right side
    6,417.80x = 21,741,420.62
  5. Step 5: Solve for x
    x = 21,741,420.62/6,417.80
  6. Step 6: Final answer
    x = 3,387.68

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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.