Home / 4,780.62-7,160.40-3,853.98

Finding the Fourth Proportional to 4,780.62, 7,160.40 and 3,853.98

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Solution

The fourth proportional to 4,780.62, 7,160.40 and 3,853.98 is: 5,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.62 : 7,160.40 = 3,853.98 : x
  2. Step 2: Convert to fraction form
    4,780.62/7,160.40 = 3,853.98/x
  3. Step 3: Cross multiply
    4,780.62x = 7,160.40 × 3,853.98
  4. Step 4: Simplify right side
    4,780.62x = 27,596,038.39
  5. Step 5: Solve for x
    x = 27,596,038.39/4,780.62
  6. Step 6: Final answer
    x = 5,772.48

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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.