Home / 4,680.66-7,022.16-1,393.76

Finding the Fourth Proportional to 4,680.66, 7,022.16 and 1,393.76

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Solution

The fourth proportional to 4,680.66, 7,022.16 and 1,393.76 is: 2,090.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.66 : 7,022.16 = 1,393.76 : x
  2. Step 2: Convert to fraction form
    4,680.66/7,022.16 = 1,393.76/x
  3. Step 3: Cross multiply
    4,680.66x = 7,022.16 × 1,393.76
  4. Step 4: Simplify right side
    4,680.66x = 9,787,205.72
  5. Step 5: Solve for x
    x = 9,787,205.72/4,680.66
  6. Step 6: Final answer
    x = 2,090.99

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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.