Home / 4,438.36-6,656.40-1,317.63

Finding the Fourth Proportional to 4,438.36, 6,656.40 and 1,317.63

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Solution

The fourth proportional to 4,438.36, 6,656.40 and 1,317.63 is: 1,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.36 : 6,656.40 = 1,317.63 : x
  2. Step 2: Convert to fraction form
    4,438.36/6,656.40 = 1,317.63/x
  3. Step 3: Cross multiply
    4,438.36x = 6,656.40 × 1,317.63
  4. Step 4: Simplify right side
    4,438.36x = 8,770,672.33
  5. Step 5: Solve for x
    x = 8,770,672.33/4,438.36
  6. Step 6: Final answer
    x = 1,976.11

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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.