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Finding the Fourth Proportional to 5,784.72, 8,677.07 and 1,402.18

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Solution

The fourth proportional to 5,784.72, 8,677.07 and 1,402.18 is: 2,103.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.72 : 8,677.07 = 1,402.18 : x
  2. Step 2: Convert to fraction form
    5,784.72/8,677.07 = 1,402.18/x
  3. Step 3: Cross multiply
    5,784.72x = 8,677.07 × 1,402.18
  4. Step 4: Simplify right side
    5,784.72x = 12,166,790.57
  5. Step 5: Solve for x
    x = 12,166,790.57/5,784.72
  6. Step 6: Final answer
    x = 2,103.26

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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.