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Finding the Fourth Proportional to 7,577.73, 11,362.73 and 5,686.34

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Solution

The fourth proportional to 7,577.73, 11,362.73 and 5,686.34 is: 8,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.73 : 11,362.73 = 5,686.34 : x
  2. Step 2: Convert to fraction form
    7,577.73/11,362.73 = 5,686.34/x
  3. Step 3: Cross multiply
    7,577.73x = 11,362.73 × 5,686.34
  4. Step 4: Simplify right side
    7,577.73x = 64,612,260.86
  5. Step 5: Solve for x
    x = 64,612,260.86/7,577.73
  6. Step 6: Final answer
    x = 8,526.60

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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.