Home / 4,146.69-6,219.99-1,225.02

Finding the Fourth Proportional to 4,146.69, 6,219.99 and 1,225.02

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Solution

The fourth proportional to 4,146.69, 6,219.99 and 1,225.02 is: 1,837.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.69 : 6,219.99 = 1,225.02 : x
  2. Step 2: Convert to fraction form
    4,146.69/6,219.99 = 1,225.02/x
  3. Step 3: Cross multiply
    4,146.69x = 6,219.99 × 1,225.02
  4. Step 4: Simplify right side
    4,146.69x = 7,619,612.15
  5. Step 5: Solve for x
    x = 7,619,612.15/4,146.69
  6. Step 6: Final answer
    x = 1,837.52

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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.