Home / 6,214.10-9,321.15-5,116.16

Finding the Fourth Proportional to 6,214.10, 9,321.15 and 5,116.16

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Solution

The fourth proportional to 6,214.10, 9,321.15 and 5,116.16 is: 7,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.10 : 9,321.15 = 5,116.16 : x
  2. Step 2: Convert to fraction form
    6,214.10/9,321.15 = 5,116.16/x
  3. Step 3: Cross multiply
    6,214.10x = 9,321.15 × 5,116.16
  4. Step 4: Simplify right side
    6,214.10x = 47,688,428.99
  5. Step 5: Solve for x
    x = 47,688,428.99/6,214.10
  6. Step 6: Final answer
    x = 7,674.23

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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.