Home / 7,389.96-10,198.05-4,246.20

Finding the Fourth Proportional to 7,389.96, 10,198.05 and 4,246.20

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Solution

The fourth proportional to 7,389.96, 10,198.05 and 4,246.20 is: 5,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.96 : 10,198.05 = 4,246.20 : x
  2. Step 2: Convert to fraction form
    7,389.96/10,198.05 = 4,246.20/x
  3. Step 3: Cross multiply
    7,389.96x = 10,198.05 × 4,246.20
  4. Step 4: Simplify right side
    7,389.96x = 43,302,959.91
  5. Step 5: Solve for x
    x = 43,302,959.91/7,389.96
  6. Step 6: Final answer
    x = 5,859.70

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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.