Home / 5,853.74-8,780.61-2,390.99

Finding the Fourth Proportional to 5,853.74, 8,780.61 and 2,390.99

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Solution

The fourth proportional to 5,853.74, 8,780.61 and 2,390.99 is: 3,586.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.74 : 8,780.61 = 2,390.99 : x
  2. Step 2: Convert to fraction form
    5,853.74/8,780.61 = 2,390.99/x
  3. Step 3: Cross multiply
    5,853.74x = 8,780.61 × 2,390.99
  4. Step 4: Simplify right side
    5,853.74x = 20,994,306.80
  5. Step 5: Solve for x
    x = 20,994,306.80/5,853.74
  6. Step 6: Final answer
    x = 3,586.48

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Half scale
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Double scale
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Similar ratio
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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.