Home / 4,869.98-6,720.64-2,774.06

Finding the Fourth Proportional to 4,869.98, 6,720.64 and 2,774.06

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Solution

The fourth proportional to 4,869.98, 6,720.64 and 2,774.06 is: 3,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.98 : 6,720.64 = 2,774.06 : x
  2. Step 2: Convert to fraction form
    4,869.98/6,720.64 = 2,774.06/x
  3. Step 3: Cross multiply
    4,869.98x = 6,720.64 × 2,774.06
  4. Step 4: Simplify right side
    4,869.98x = 18,643,418.06
  5. Step 5: Solve for x
    x = 18,643,418.06/4,869.98
  6. Step 6: Final answer
    x = 3,828.24

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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.