Home / 5,136.45-7,702.84-1,848.66

Finding the Fourth Proportional to 5,136.45, 7,702.84 and 1,848.66

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Solution

The fourth proportional to 5,136.45, 7,702.84 and 1,848.66 is: 2,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.45 : 7,702.84 = 1,848.66 : x
  2. Step 2: Convert to fraction form
    5,136.45/7,702.84 = 1,848.66/x
  3. Step 3: Cross multiply
    5,136.45x = 7,702.84 × 1,848.66
  4. Step 4: Simplify right side
    5,136.45x = 14,239,932.19
  5. Step 5: Solve for x
    x = 14,239,932.19/5,136.45
  6. Step 6: Final answer
    x = 2,772.33

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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.