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Finding the Fourth Proportional to 6,512.82, 8,985.30 and 4,275.93

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Solution

The fourth proportional to 6,512.82, 8,985.30 and 4,275.93 is: 5,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.82 : 8,985.30 = 4,275.93 : x
  2. Step 2: Convert to fraction form
    6,512.82/8,985.30 = 4,275.93/x
  3. Step 3: Cross multiply
    6,512.82x = 8,985.30 × 4,275.93
  4. Step 4: Simplify right side
    6,512.82x = 38,420,513.83
  5. Step 5: Solve for x
    x = 38,420,513.83/6,512.82
  6. Step 6: Final answer
    x = 5,899.21

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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.