Home / 4,020.77-6,030.96-1,555.49

Finding the Fourth Proportional to 4,020.77, 6,030.96 and 1,555.49

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Solution

The fourth proportional to 4,020.77, 6,030.96 and 1,555.49 is: 2,333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.77 : 6,030.96 = 1,555.49 : x
  2. Step 2: Convert to fraction form
    4,020.77/6,030.96 = 1,555.49/x
  3. Step 3: Cross multiply
    4,020.77x = 6,030.96 × 1,555.49
  4. Step 4: Simplify right side
    4,020.77x = 9,381,067.82
  5. Step 5: Solve for x
    x = 9,381,067.82/4,020.77
  6. Step 6: Final answer
    x = 2,333.15

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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.