Home / 5,587.21-8,380.44-3,116.47

Finding the Fourth Proportional to 5,587.21, 8,380.44 and 3,116.47

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Solution

The fourth proportional to 5,587.21, 8,380.44 and 3,116.47 is: 4,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.21 : 8,380.44 = 3,116.47 : x
  2. Step 2: Convert to fraction form
    5,587.21/8,380.44 = 3,116.47/x
  3. Step 3: Cross multiply
    5,587.21x = 8,380.44 × 3,116.47
  4. Step 4: Simplify right side
    5,587.21x = 26,117,389.85
  5. Step 5: Solve for x
    x = 26,117,389.85/5,587.21
  6. Step 6: Final answer
    x = 4,674.50

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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.