Home / 7,702.68-11,555.45-2,439.02

Finding the Fourth Proportional to 7,702.68, 11,555.45 and 2,439.02

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Solution

The fourth proportional to 7,702.68, 11,555.45 and 2,439.02 is: 3,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.68 : 11,555.45 = 2,439.02 : x
  2. Step 2: Convert to fraction form
    7,702.68/11,555.45 = 2,439.02/x
  3. Step 3: Cross multiply
    7,702.68x = 11,555.45 × 2,439.02
  4. Step 4: Simplify right side
    7,702.68x = 28,183,973.66
  5. Step 5: Solve for x
    x = 28,183,973.66/7,702.68
  6. Step 6: Final answer
    x = 3,658.98

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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.