Home / 4,814.30-6,643.92-2,718.38

Finding the Fourth Proportional to 4,814.30, 6,643.92 and 2,718.38

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Solution

The fourth proportional to 4,814.30, 6,643.92 and 2,718.38 is: 3,751.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.30 : 6,643.92 = 2,718.38 : x
  2. Step 2: Convert to fraction form
    4,814.30/6,643.92 = 2,718.38/x
  3. Step 3: Cross multiply
    4,814.30x = 6,643.92 × 2,718.38
  4. Step 4: Simplify right side
    4,814.30x = 18,060,666.03
  5. Step 5: Solve for x
    x = 18,060,666.03/4,814.30
  6. Step 6: Final answer
    x = 3,751.47

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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.