Home / 4,813.61-6,643.04-2,689.34

Finding the Fourth Proportional to 4,813.61, 6,643.04 and 2,689.34

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Solution

The fourth proportional to 4,813.61, 6,643.04 and 2,689.34 is: 3,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.61 : 6,643.04 = 2,689.34 : x
  2. Step 2: Convert to fraction form
    4,813.61/6,643.04 = 2,689.34/x
  3. Step 3: Cross multiply
    4,813.61x = 6,643.04 × 2,689.34
  4. Step 4: Simplify right side
    4,813.61x = 17,865,346.53
  5. Step 5: Solve for x
    x = 17,865,346.53/4,813.61
  6. Step 6: Final answer
    x = 3,711.43

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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.