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Finding the Fourth Proportional to 5,988.92, 8,980.36 and 3,490.91

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Solution

The fourth proportional to 5,988.92, 8,980.36 and 3,490.91 is: 5,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988.92 : 8,980.36 = 3,490.91 : x
  2. Step 2: Convert to fraction form
    5,988.92/8,980.36 = 3,490.91/x
  3. Step 3: Cross multiply
    5,988.92x = 8,980.36 × 3,490.91
  4. Step 4: Simplify right side
    5,988.92x = 31,349,628.53
  5. Step 5: Solve for x
    x = 31,349,628.53/5,988.92
  6. Step 6: Final answer
    x = 5,234.60

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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.