Home / 5,626.25-7,763.15-3,388.28

Finding the Fourth Proportional to 5,626.25, 7,763.15 and 3,388.28

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Solution

The fourth proportional to 5,626.25, 7,763.15 and 3,388.28 is: 4,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.25 : 7,763.15 = 3,388.28 : x
  2. Step 2: Convert to fraction form
    5,626.25/7,763.15 = 3,388.28/x
  3. Step 3: Cross multiply
    5,626.25x = 7,763.15 × 3,388.28
  4. Step 4: Simplify right side
    5,626.25x = 26,303,682.83
  5. Step 5: Solve for x
    x = 26,303,682.83/5,626.25
  6. Step 6: Final answer
    x = 4,675.17

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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.