Home / 7,518.24-11,276.64-2,587.68

Finding the Fourth Proportional to 7,518.24, 11,276.64 and 2,587.68

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Solution

The fourth proportional to 7,518.24, 11,276.64 and 2,587.68 is: 3,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.24 : 11,276.64 = 2,587.68 : x
  2. Step 2: Convert to fraction form
    7,518.24/11,276.64 = 2,587.68/x
  3. Step 3: Cross multiply
    7,518.24x = 11,276.64 × 2,587.68
  4. Step 4: Simplify right side
    7,518.24x = 29,180,335.80
  5. Step 5: Solve for x
    x = 29,180,335.80/7,518.24
  6. Step 6: Final answer
    x = 3,881.27

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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.