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Finding the Fourth Proportional to 8,807.10, 13,210.65 and 6,000.45

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Solution

The fourth proportional to 8,807.10, 13,210.65 and 6,000.45 is: 9,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.10 : 13,210.65 = 6,000.45 : x
  2. Step 2: Convert to fraction form
    8,807.10/13,210.65 = 6,000.45/x
  3. Step 3: Cross multiply
    8,807.10x = 13,210.65 × 6,000.45
  4. Step 4: Simplify right side
    8,807.10x = 79,269,844.79
  5. Step 5: Solve for x
    x = 79,269,844.79/8,807.10
  6. Step 6: Final answer
    x = 9,000.68

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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.