Home / 5,853.40-8,780.08-1,957.80

Finding the Fourth Proportional to 5,853.40, 8,780.08 and 1,957.80

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Solution

The fourth proportional to 5,853.40, 8,780.08 and 1,957.80 is: 2,936.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.40 : 8,780.08 = 1,957.80 : x
  2. Step 2: Convert to fraction form
    5,853.40/8,780.08 = 1,957.80/x
  3. Step 3: Cross multiply
    5,853.40x = 8,780.08 × 1,957.80
  4. Step 4: Simplify right side
    5,853.40x = 17,189,640.62
  5. Step 5: Solve for x
    x = 17,189,640.62/5,853.40
  6. Step 6: Final answer
    x = 2,936.69

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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.