Home / 7,345.80-10,136.97-4,201.92

Finding the Fourth Proportional to 7,345.80, 10,136.97 and 4,201.92

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Solution

The fourth proportional to 7,345.80, 10,136.97 and 4,201.92 is: 5,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.80 : 10,136.97 = 4,201.92 : x
  2. Step 2: Convert to fraction form
    7,345.80/10,136.97 = 4,201.92/x
  3. Step 3: Cross multiply
    7,345.80x = 10,136.97 × 4,201.92
  4. Step 4: Simplify right side
    7,345.80x = 42,594,736.98
  5. Step 5: Solve for x
    x = 42,594,736.98/7,345.80
  6. Step 6: Final answer
    x = 5,798.52

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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.