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Finding the Fourth Proportional to 5,368.24, 8,051.12 and 1,472.96

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Solution

The fourth proportional to 5,368.24, 8,051.12 and 1,472.96 is: 2,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.24 : 8,051.12 = 1,472.96 : x
  2. Step 2: Convert to fraction form
    5,368.24/8,051.12 = 1,472.96/x
  3. Step 3: Cross multiply
    5,368.24x = 8,051.12 × 1,472.96
  4. Step 4: Simplify right side
    5,368.24x = 11,858,977.72
  5. Step 5: Solve for x
    x = 11,858,977.72/5,368.24
  6. Step 6: Final answer
    x = 2,209.10

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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.