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Finding the Fourth Proportional to 8,365.04, 11,543.80 and 4,639.04

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Solution

The fourth proportional to 8,365.04, 11,543.80 and 4,639.04 is: 6,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.04 : 11,543.80 = 4,639.04 : x
  2. Step 2: Convert to fraction form
    8,365.04/11,543.80 = 4,639.04/x
  3. Step 3: Cross multiply
    8,365.04x = 11,543.80 × 4,639.04
  4. Step 4: Simplify right side
    8,365.04x = 53,552,149.95
  5. Step 5: Solve for x
    x = 53,552,149.95/8,365.04
  6. Step 6: Final answer
    x = 6,401.90

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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.