Home / 4,438.56-6,656.32-1,317.80

Finding the Fourth Proportional to 4,438.56, 6,656.32 and 1,317.80

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Solution

The fourth proportional to 4,438.56, 6,656.32 and 1,317.80 is: 1,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.56 : 6,656.32 = 1,317.80 : x
  2. Step 2: Convert to fraction form
    4,438.56/6,656.32 = 1,317.80/x
  3. Step 3: Cross multiply
    4,438.56x = 6,656.32 × 1,317.80
  4. Step 4: Simplify right side
    4,438.56x = 8,771,698.50
  5. Step 5: Solve for x
    x = 8,771,698.50/4,438.56
  6. Step 6: Final answer
    x = 1,976.25

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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.