Home / 5,636.99-8,454.48-1,688.14

Finding the Fourth Proportional to 5,636.99, 8,454.48 and 1,688.14

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Solution

The fourth proportional to 5,636.99, 8,454.48 and 1,688.14 is: 2,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.99 : 8,454.48 = 1,688.14 : x
  2. Step 2: Convert to fraction form
    5,636.99/8,454.48 = 1,688.14/x
  3. Step 3: Cross multiply
    5,636.99x = 8,454.48 × 1,688.14
  4. Step 4: Simplify right side
    5,636.99x = 14,272,350.10
  5. Step 5: Solve for x
    x = 14,272,350.10/5,636.99
  6. Step 6: Final answer
    x = 2,531.91

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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.