Home / 4,651.17-6,420.29-3,079.77

Finding the Fourth Proportional to 4,651.17, 6,420.29 and 3,079.77

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Solution

The fourth proportional to 4,651.17, 6,420.29 and 3,079.77 is: 4,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.17 : 6,420.29 = 3,079.77 : x
  2. Step 2: Convert to fraction form
    4,651.17/6,420.29 = 3,079.77/x
  3. Step 3: Cross multiply
    4,651.17x = 6,420.29 × 3,079.77
  4. Step 4: Simplify right side
    4,651.17x = 19,773,016.53
  5. Step 5: Solve for x
    x = 19,773,016.53/4,651.17
  6. Step 6: Final answer
    x = 4,251.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.