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Finding the Fourth Proportional to 8,000.89, 12,005.91 and 4,303.24

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Solution

The fourth proportional to 8,000.89, 12,005.91 and 4,303.24 is: 6,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.89 : 12,005.91 = 4,303.24 : x
  2. Step 2: Convert to fraction form
    8,000.89/12,005.91 = 4,303.24/x
  3. Step 3: Cross multiply
    8,000.89x = 12,005.91 × 4,303.24
  4. Step 4: Simplify right side
    8,000.89x = 51,664,312.15
  5. Step 5: Solve for x
    x = 51,664,312.15/8,000.89
  6. Step 6: Final answer
    x = 6,457.32

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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.