Home / 4,814.36-6,643.16-2,689.63

Finding the Fourth Proportional to 4,814.36, 6,643.16 and 2,689.63

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Solution

The fourth proportional to 4,814.36, 6,643.16 and 2,689.63 is: 3,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.36 : 6,643.16 = 2,689.63 : x
  2. Step 2: Convert to fraction form
    4,814.36/6,643.16 = 2,689.63/x
  3. Step 3: Cross multiply
    4,814.36x = 6,643.16 × 2,689.63
  4. Step 4: Simplify right side
    4,814.36x = 17,867,642.43
  5. Step 5: Solve for x
    x = 17,867,642.43/4,814.36
  6. Step 6: Final answer
    x = 3,711.32

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Double scale
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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.