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Finding the Fourth Proportional to 6,657.58, 9,985.29 and 2,039.50

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Solution

The fourth proportional to 6,657.58, 9,985.29 and 2,039.50 is: 3,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.58 : 9,985.29 = 2,039.50 : x
  2. Step 2: Convert to fraction form
    6,657.58/9,985.29 = 2,039.50/x
  3. Step 3: Cross multiply
    6,657.58x = 9,985.29 × 2,039.50
  4. Step 4: Simplify right side
    6,657.58x = 20,364,998.96
  5. Step 5: Solve for x
    x = 20,364,998.96/6,657.58
  6. Step 6: Final answer
    x = 3,058.92

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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.