Home / 7,518.26-11,277.43-2,587.86

Finding the Fourth Proportional to 7,518.26, 11,277.43 and 2,587.86

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Solution

The fourth proportional to 7,518.26, 11,277.43 and 2,587.86 is: 3,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.26 : 11,277.43 = 2,587.86 : x
  2. Step 2: Convert to fraction form
    7,518.26/11,277.43 = 2,587.86/x
  3. Step 3: Cross multiply
    7,518.26x = 11,277.43 × 2,587.86
  4. Step 4: Simplify right side
    7,518.26x = 29,184,403.53
  5. Step 5: Solve for x
    x = 29,184,403.53/7,518.26
  6. Step 6: Final answer
    x = 3,881.80

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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.