Home / 4,146.18-6,218.40-1,224.51

Finding the Fourth Proportional to 4,146.18, 6,218.40 and 1,224.51

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Solution

The fourth proportional to 4,146.18, 6,218.40 and 1,224.51 is: 1,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.18 : 6,218.40 = 1,224.51 : x
  2. Step 2: Convert to fraction form
    4,146.18/6,218.40 = 1,224.51/x
  3. Step 3: Cross multiply
    4,146.18x = 6,218.40 × 1,224.51
  4. Step 4: Simplify right side
    4,146.18x = 7,614,492.98
  5. Step 5: Solve for x
    x = 7,614,492.98/4,146.18
  6. Step 6: Final answer
    x = 1,836.51

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Double scale
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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.