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Finding the Fourth Proportional to 6,008.79, 8,289.84 and 3,490.50

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Solution

The fourth proportional to 6,008.79, 8,289.84 and 3,490.50 is: 4,815.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,008.79 : 8,289.84 = 3,490.50 : x
  2. Step 2: Convert to fraction form
    6,008.79/8,289.84 = 3,490.50/x
  3. Step 3: Cross multiply
    6,008.79x = 8,289.84 × 3,490.50
  4. Step 4: Simplify right side
    6,008.79x = 28,935,686.52
  5. Step 5: Solve for x
    x = 28,935,686.52/6,008.79
  6. Step 6: Final answer
    x = 4,815.56

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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.