Home / 7,587.96-11,381.53-2,910.21

Finding the Fourth Proportional to 7,587.96, 11,381.53 and 2,910.21

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Solution

The fourth proportional to 7,587.96, 11,381.53 and 2,910.21 is: 4,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.96 : 11,381.53 = 2,910.21 : x
  2. Step 2: Convert to fraction form
    7,587.96/11,381.53 = 2,910.21/x
  3. Step 3: Cross multiply
    7,587.96x = 11,381.53 × 2,910.21
  4. Step 4: Simplify right side
    7,587.96x = 33,122,642.42
  5. Step 5: Solve for x
    x = 33,122,642.42/7,587.96
  6. Step 6: Final answer
    x = 4,365.16

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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.