Home / 4,814.40-6,643.68-2,718.96

Finding the Fourth Proportional to 4,814.40, 6,643.68 and 2,718.96

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Solution

The fourth proportional to 4,814.40, 6,643.68 and 2,718.96 is: 3,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.40 : 6,643.68 = 2,718.96 : x
  2. Step 2: Convert to fraction form
    4,814.40/6,643.68 = 2,718.96/x
  3. Step 3: Cross multiply
    4,814.40x = 6,643.68 × 2,718.96
  4. Step 4: Simplify right side
    4,814.40x = 18,063,900.17
  5. Step 5: Solve for x
    x = 18,063,900.17/4,814.40
  6. Step 6: Final answer
    x = 3,752.06

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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.