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Finding the Fourth Proportional to 8,459.02, 11,665.72 and 7,263.62

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Solution

The fourth proportional to 8,459.02, 11,665.72 and 7,263.62 is: 10,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.02 : 11,665.72 = 7,263.62 : x
  2. Step 2: Convert to fraction form
    8,459.02/11,665.72 = 7,263.62/x
  3. Step 3: Cross multiply
    8,459.02x = 11,665.72 × 7,263.62
  4. Step 4: Simplify right side
    8,459.02x = 84,735,357.11
  5. Step 5: Solve for x
    x = 84,735,357.11/8,459.02
  6. Step 6: Final answer
    x = 10,017.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.