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Finding the Fourth Proportional to 5,989.98, 8,984.98 and 5,981.32

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Solution

The fourth proportional to 5,989.98, 8,984.98 and 5,981.32 is: 8,971.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989.98 : 8,984.98 = 5,981.32 : x
  2. Step 2: Convert to fraction form
    5,989.98/8,984.98 = 5,981.32/x
  3. Step 3: Cross multiply
    5,989.98x = 8,984.98 × 5,981.32
  4. Step 4: Simplify right side
    5,989.98x = 53,742,000.37
  5. Step 5: Solve for x
    x = 53,742,000.37/5,989.98
  6. Step 6: Final answer
    x = 8,971.99

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Similar ratio
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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.