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Finding the Fourth Proportional to 5,577, 8,365.98 and 1,473

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Solution

The fourth proportional to 5,577, 8,365.98 and 1,473 is: 2,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577 : 8,365.98 = 1,473 : x
  2. Step 2: Convert to fraction form
    5,577/8,365.98 = 1,473/x
  3. Step 3: Cross multiply
    5,577x = 8,365.98 × 1,473
  4. Step 4: Simplify right side
    5,577x = 12,323,088.54
  5. Step 5: Solve for x
    x = 12,323,088.54/5,577
  6. Step 6: Final answer
    x = 2,209.63

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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.