Home / 6,763.80-10,140.39-4,298.16

Finding the Fourth Proportional to 6,763.80, 10,140.39 and 4,298.16

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Solution

The fourth proportional to 6,763.80, 10,140.39 and 4,298.16 is: 6,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.80 : 10,140.39 = 4,298.16 : x
  2. Step 2: Convert to fraction form
    6,763.80/10,140.39 = 4,298.16/x
  3. Step 3: Cross multiply
    6,763.80x = 10,140.39 × 4,298.16
  4. Step 4: Simplify right side
    6,763.80x = 43,585,018.68
  5. Step 5: Solve for x
    x = 43,585,018.68/6,763.80
  6. Step 6: Final answer
    x = 6,443.87

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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.