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Finding the Fourth Proportional to 8,896.54, 13,317.12 and 5,602.71

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Solution

The fourth proportional to 8,896.54, 13,317.12 and 5,602.71 is: 8,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,896.54 : 13,317.12 = 5,602.71 : x
  2. Step 2: Convert to fraction form
    8,896.54/13,317.12 = 5,602.71/x
  3. Step 3: Cross multiply
    8,896.54x = 13,317.12 × 5,602.71
  4. Step 4: Simplify right side
    8,896.54x = 74,611,894.81
  5. Step 5: Solve for x
    x = 74,611,894.81/8,896.54
  6. Step 6: Final answer
    x = 8,386.62

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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.