Home / 4,813.74-6,643.25-2,689.27

Finding the Fourth Proportional to 4,813.74, 6,643.25 and 2,689.27

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Solution

The fourth proportional to 4,813.74, 6,643.25 and 2,689.27 is: 3,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.74 : 6,643.25 = 2,689.27 : x
  2. Step 2: Convert to fraction form
    4,813.74/6,643.25 = 2,689.27/x
  3. Step 3: Cross multiply
    4,813.74x = 6,643.25 × 2,689.27
  4. Step 4: Simplify right side
    4,813.74x = 17,865,492.93
  5. Step 5: Solve for x
    x = 17,865,492.93/4,813.74
  6. Step 6: Final answer
    x = 3,711.35

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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.