Home / 7,587.72-11,319.60-7,383.60

Finding the Fourth Proportional to 7,587.72, 11,319.60 and 7,383.60

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Solution

The fourth proportional to 7,587.72, 11,319.60 and 7,383.60 is: 11,015.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.72 : 11,319.60 = 7,383.60 : x
  2. Step 2: Convert to fraction form
    7,587.72/11,319.60 = 7,383.60/x
  3. Step 3: Cross multiply
    7,587.72x = 11,319.60 × 7,383.60
  4. Step 4: Simplify right side
    7,587.72x = 83,579,398.56
  5. Step 5: Solve for x
    x = 83,579,398.56/7,587.72
  6. Step 6: Final answer
    x = 11,015.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.