Home / 6,747.21-10,122.84-2,587.32

Finding the Fourth Proportional to 6,747.21, 10,122.84 and 2,587.32

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Solution

The fourth proportional to 6,747.21, 10,122.84 and 2,587.32 is: 3,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.21 : 10,122.84 = 2,587.32 : x
  2. Step 2: Convert to fraction form
    6,747.21/10,122.84 = 2,587.32/x
  3. Step 3: Cross multiply
    6,747.21x = 10,122.84 × 2,587.32
  4. Step 4: Simplify right side
    6,747.21x = 26,191,026.39
  5. Step 5: Solve for x
    x = 26,191,026.39/6,747.21
  6. Step 6: Final answer
    x = 3,881.76

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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.