Home / 5,539.05-8,305.74-1,642.95

Finding the Fourth Proportional to 5,539.05, 8,305.74 and 1,642.95

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Solution

The fourth proportional to 5,539.05, 8,305.74 and 1,642.95 is: 2,463.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.05 : 8,305.74 = 1,642.95 : x
  2. Step 2: Convert to fraction form
    5,539.05/8,305.74 = 1,642.95/x
  3. Step 3: Cross multiply
    5,539.05x = 8,305.74 × 1,642.95
  4. Step 4: Simplify right side
    5,539.05x = 13,645,915.53
  5. Step 5: Solve for x
    x = 13,645,915.53/5,539.05
  6. Step 6: Final answer
    x = 2,463.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.