Home / 5,485.74-7,570.38-3,331.65

Finding the Fourth Proportional to 5,485.74, 7,570.38 and 3,331.65

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Solution

The fourth proportional to 5,485.74, 7,570.38 and 3,331.65 is: 4,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.74 : 7,570.38 = 3,331.65 : x
  2. Step 2: Convert to fraction form
    5,485.74/7,570.38 = 3,331.65/x
  3. Step 3: Cross multiply
    5,485.74x = 7,570.38 × 3,331.65
  4. Step 4: Simplify right side
    5,485.74x = 25,221,856.53
  5. Step 5: Solve for x
    x = 25,221,856.53/5,485.74
  6. Step 6: Final answer
    x = 4,597.71

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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.