Home / 4,199.69-6,300.47-1,278.23

Finding the Fourth Proportional to 4,199.69, 6,300.47 and 1,278.23

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Solution

The fourth proportional to 4,199.69, 6,300.47 and 1,278.23 is: 1,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.69 : 6,300.47 = 1,278.23 : x
  2. Step 2: Convert to fraction form
    4,199.69/6,300.47 = 1,278.23/x
  3. Step 3: Cross multiply
    4,199.69x = 6,300.47 × 1,278.23
  4. Step 4: Simplify right side
    4,199.69x = 8,053,421.46
  5. Step 5: Solve for x
    x = 8,053,421.46/4,199.69
  6. Step 6: Final answer
    x = 1,917.62

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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.