Home / 6,642.90-9,959.46-4,447.02

Finding the Fourth Proportional to 6,642.90, 9,959.46 and 4,447.02

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Solution

The fourth proportional to 6,642.90, 9,959.46 and 4,447.02 is: 6,667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.90 : 9,959.46 = 4,447.02 : x
  2. Step 2: Convert to fraction form
    6,642.90/9,959.46 = 4,447.02/x
  3. Step 3: Cross multiply
    6,642.90x = 9,959.46 × 4,447.02
  4. Step 4: Simplify right side
    6,642.90x = 44,289,917.81
  5. Step 5: Solve for x
    x = 44,289,917.81/6,642.90
  6. Step 6: Final answer
    x = 6,667.26

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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.