Home / 6,626.16-9,140.30-4,137.84

Finding the Fourth Proportional to 6,626.16, 9,140.30 and 4,137.84

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Solution

The fourth proportional to 6,626.16, 9,140.30 and 4,137.84 is: 5,707.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.16 : 9,140.30 = 4,137.84 : x
  2. Step 2: Convert to fraction form
    6,626.16/9,140.30 = 4,137.84/x
  3. Step 3: Cross multiply
    6,626.16x = 9,140.30 × 4,137.84
  4. Step 4: Simplify right side
    6,626.16x = 37,821,078.26
  5. Step 5: Solve for x
    x = 37,821,078.26/6,626.16
  6. Step 6: Final answer
    x = 5,707.84

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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.