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Finding the Fourth Proportional to 8,999.10, 13,477.05 and 4,376.70

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Solution

The fourth proportional to 8,999.10, 13,477.05 and 4,376.70 is: 6,554.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.10 : 13,477.05 = 4,376.70 : x
  2. Step 2: Convert to fraction form
    8,999.10/13,477.05 = 4,376.70/x
  3. Step 3: Cross multiply
    8,999.10x = 13,477.05 × 4,376.70
  4. Step 4: Simplify right side
    8,999.10x = 58,985,004.74
  5. Step 5: Solve for x
    x = 58,985,004.74/8,999.10
  6. Step 6: Final answer
    x = 6,554.54

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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.