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Finding the Fourth Proportional to 5,953.12, 8,920.80 and 4,493.26

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Solution

The fourth proportional to 5,953.12, 8,920.80 and 4,493.26 is: 6,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,953.12 : 8,920.80 = 4,493.26 : x
  2. Step 2: Convert to fraction form
    5,953.12/8,920.80 = 4,493.26/x
  3. Step 3: Cross multiply
    5,953.12x = 8,920.80 × 4,493.26
  4. Step 4: Simplify right side
    5,953.12x = 40,083,473.81
  5. Step 5: Solve for x
    x = 40,083,473.81/5,953.12
  6. Step 6: Final answer
    x = 6,733.19

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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.