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Finding the Fourth Proportional to 6,500.90, 8,971.23 and 3,516.74

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Solution

The fourth proportional to 6,500.90, 8,971.23 and 3,516.74 is: 4,853.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,500.90 : 8,971.23 = 3,516.74 : x
  2. Step 2: Convert to fraction form
    6,500.90/8,971.23 = 3,516.74/x
  3. Step 3: Cross multiply
    6,500.90x = 8,971.23 × 3,516.74
  4. Step 4: Simplify right side
    6,500.90x = 31,549,438.53
  5. Step 5: Solve for x
    x = 31,549,438.53/6,500.90
  6. Step 6: Final answer
    x = 4,853.09

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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.