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Finding the Fourth Proportional to 6,502.43, 8,973.29 and 3,518.20

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Solution

The fourth proportional to 6,502.43, 8,973.29 and 3,518.20 is: 4,855.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502.43 : 8,973.29 = 3,518.20 : x
  2. Step 2: Convert to fraction form
    6,502.43/8,973.29 = 3,518.20/x
  3. Step 3: Cross multiply
    6,502.43x = 8,973.29 × 3,518.20
  4. Step 4: Simplify right side
    6,502.43x = 31,569,797.65
  5. Step 5: Solve for x
    x = 31,569,797.65/6,502.43
  6. Step 6: Final answer
    x = 4,855.08

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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.