Home / 4,430.10-6,645.14-1,310.14

Finding the Fourth Proportional to 4,430.10, 6,645.14 and 1,310.14

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Solution

The fourth proportional to 4,430.10, 6,645.14 and 1,310.14 is: 1,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.10 : 6,645.14 = 1,310.14 : x
  2. Step 2: Convert to fraction form
    4,430.10/6,645.14 = 1,310.14/x
  3. Step 3: Cross multiply
    4,430.10x = 6,645.14 × 1,310.14
  4. Step 4: Simplify right side
    4,430.10x = 8,706,057.17
  5. Step 5: Solve for x
    x = 8,706,057.17/4,430.10
  6. Step 6: Final answer
    x = 1,965.21

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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.