Home / 4,458.97-6,688.45-1,339.00

Finding the Fourth Proportional to 4,458.97, 6,688.45 and 1,339.00

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Solution

The fourth proportional to 4,458.97, 6,688.45 and 1,339.00 is: 2,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.97 : 6,688.45 = 1,339.00 : x
  2. Step 2: Convert to fraction form
    4,458.97/6,688.45 = 1,339.00/x
  3. Step 3: Cross multiply
    4,458.97x = 6,688.45 × 1,339.00
  4. Step 4: Simplify right side
    4,458.97x = 8,955,815.74
  5. Step 5: Solve for x
    x = 8,955,815.74/4,458.97
  6. Step 6: Final answer
    x = 2,008.50

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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.