Home / 4,458.98-6,688.45-1,338.97

Finding the Fourth Proportional to 4,458.98, 6,688.45 and 1,338.97

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Solution

The fourth proportional to 4,458.98, 6,688.45 and 1,338.97 is: 2,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.98 : 6,688.45 = 1,338.97 : x
  2. Step 2: Convert to fraction form
    4,458.98/6,688.45 = 1,338.97/x
  3. Step 3: Cross multiply
    4,458.98x = 6,688.45 × 1,338.97
  4. Step 4: Simplify right side
    4,458.98x = 8,955,633.90
  5. Step 5: Solve for x
    x = 8,955,633.90/4,458.98
  6. Step 6: Final answer
    x = 2,008.45

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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.