Home / 4,577.32-6,315.66-2,983.78

Finding the Fourth Proportional to 4,577.32, 6,315.66 and 2,983.78

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Solution

The fourth proportional to 4,577.32, 6,315.66 and 2,983.78 is: 4,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577.32 : 6,315.66 = 2,983.78 : x
  2. Step 2: Convert to fraction form
    4,577.32/6,315.66 = 2,983.78/x
  3. Step 3: Cross multiply
    4,577.32x = 6,315.66 × 2,983.78
  4. Step 4: Simplify right side
    4,577.32x = 18,844,539.99
  5. Step 5: Solve for x
    x = 18,844,539.99/4,577.32
  6. Step 6: Final answer
    x = 4,116.94

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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.