Home / 4,045.95-5,579.28-3,955.43

Finding the Fourth Proportional to 4,045.95, 5,579.28 and 3,955.43

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Solution

The fourth proportional to 4,045.95, 5,579.28 and 3,955.43 is: 5,454.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.95 : 5,579.28 = 3,955.43 : x
  2. Step 2: Convert to fraction form
    4,045.95/5,579.28 = 3,955.43/x
  3. Step 3: Cross multiply
    4,045.95x = 5,579.28 × 3,955.43
  4. Step 4: Simplify right side
    4,045.95x = 22,068,465.44
  5. Step 5: Solve for x
    x = 22,068,465.44/4,045.95
  6. Step 6: Final answer
    x = 5,454.46

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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.