Home / 5,237.86-7,231.56-3,643.92

Finding the Fourth Proportional to 5,237.86, 7,231.56 and 3,643.92

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Solution

The fourth proportional to 5,237.86, 7,231.56 and 3,643.92 is: 5,030.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.86 : 7,231.56 = 3,643.92 : x
  2. Step 2: Convert to fraction form
    5,237.86/7,231.56 = 3,643.92/x
  3. Step 3: Cross multiply
    5,237.86x = 7,231.56 × 3,643.92
  4. Step 4: Simplify right side
    5,237.86x = 26,351,226.12
  5. Step 5: Solve for x
    x = 26,351,226.12/5,237.86
  6. Step 6: Final answer
    x = 5,030.91

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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.