Home / 7,485.57-11,228.22-2,291.31

Finding the Fourth Proportional to 7,485.57, 11,228.22 and 2,291.31

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Solution

The fourth proportional to 7,485.57, 11,228.22 and 2,291.31 is: 3,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.57 : 11,228.22 = 2,291.31 : x
  2. Step 2: Convert to fraction form
    7,485.57/11,228.22 = 2,291.31/x
  3. Step 3: Cross multiply
    7,485.57x = 11,228.22 × 2,291.31
  4. Step 4: Simplify right side
    7,485.57x = 25,727,332.77
  5. Step 5: Solve for x
    x = 25,727,332.77/7,485.57
  6. Step 6: Final answer
    x = 3,436.92

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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.