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Finding the Fourth Proportional to 8,752.34, 13,119.06 and 4,313.09

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Solution

The fourth proportional to 8,752.34, 13,119.06 and 4,313.09 is: 6,464.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.34 : 13,119.06 = 4,313.09 : x
  2. Step 2: Convert to fraction form
    8,752.34/13,119.06 = 4,313.09/x
  3. Step 3: Cross multiply
    8,752.34x = 13,119.06 × 4,313.09
  4. Step 4: Simplify right side
    8,752.34x = 56,583,686.50
  5. Step 5: Solve for x
    x = 56,583,686.50/8,752.34
  6. Step 6: Final answer
    x = 6,464.98

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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.