Home / 7,458.60-11,187.91-3,551.16

Finding the Fourth Proportional to 7,458.60, 11,187.91 and 3,551.16

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Solution

The fourth proportional to 7,458.60, 11,187.91 and 3,551.16 is: 5,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.60 : 11,187.91 = 3,551.16 : x
  2. Step 2: Convert to fraction form
    7,458.60/11,187.91 = 3,551.16/x
  3. Step 3: Cross multiply
    7,458.60x = 11,187.91 × 3,551.16
  4. Step 4: Simplify right side
    7,458.60x = 39,730,058.48
  5. Step 5: Solve for x
    x = 39,730,058.48/7,458.60
  6. Step 6: Final answer
    x = 5,326.74

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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.