Home / 5,538.40-7,633.84-4,488.64

Finding the Fourth Proportional to 5,538.40, 7,633.84 and 4,488.64

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Solution

The fourth proportional to 5,538.40, 7,633.84 and 4,488.64 is: 6,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.40 : 7,633.84 = 4,488.64 : x
  2. Step 2: Convert to fraction form
    5,538.40/7,633.84 = 4,488.64/x
  3. Step 3: Cross multiply
    5,538.40x = 7,633.84 × 4,488.64
  4. Step 4: Simplify right side
    5,538.40x = 34,265,559.58
  5. Step 5: Solve for x
    x = 34,265,559.58/5,538.40
  6. Step 6: Final answer
    x = 6,186.91

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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.