Home / 4,141.76-6,212.66-1,220.10

Finding the Fourth Proportional to 4,141.76, 6,212.66 and 1,220.10

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Solution

The fourth proportional to 4,141.76, 6,212.66 and 1,220.10 is: 1,830.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.76 : 6,212.66 = 1,220.10 : x
  2. Step 2: Convert to fraction form
    4,141.76/6,212.66 = 1,220.10/x
  3. Step 3: Cross multiply
    4,141.76x = 6,212.66 × 1,220.10
  4. Step 4: Simplify right side
    4,141.76x = 7,580,066.47
  5. Step 5: Solve for x
    x = 7,580,066.47/4,141.76
  6. Step 6: Final answer
    x = 1,830.16

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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.