Home / 8,274.39-11,421.21-5,088.66

Finding the Fourth Proportional to 8,274.39, 11,421.21 and 5,088.66

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Solution

The fourth proportional to 8,274.39, 11,421.21 and 5,088.66 is: 7,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.39 : 11,421.21 = 5,088.66 : x
  2. Step 2: Convert to fraction form
    8,274.39/11,421.21 = 5,088.66/x
  3. Step 3: Cross multiply
    8,274.39x = 11,421.21 × 5,088.66
  4. Step 4: Simplify right side
    8,274.39x = 58,118,654.48
  5. Step 5: Solve for x
    x = 58,118,654.48/8,274.39
  6. Step 6: Final answer
    x = 7,023.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.