Home / 4,813.49-6,642.91-2,689.02

Finding the Fourth Proportional to 4,813.49, 6,642.91 and 2,689.02

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Solution

The fourth proportional to 4,813.49, 6,642.91 and 2,689.02 is: 3,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.49 : 6,642.91 = 2,689.02 : x
  2. Step 2: Convert to fraction form
    4,813.49/6,642.91 = 2,689.02/x
  3. Step 3: Cross multiply
    4,813.49x = 6,642.91 × 2,689.02
  4. Step 4: Simplify right side
    4,813.49x = 17,862,884.63
  5. Step 5: Solve for x
    x = 17,862,884.63/4,813.49
  6. Step 6: Final answer
    x = 3,711.00

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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.