Home / 4,412.22-6,618.76-1,125.34

Finding the Fourth Proportional to 4,412.22, 6,618.76 and 1,125.34

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Solution

The fourth proportional to 4,412.22, 6,618.76 and 1,125.34 is: 1,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.22 : 6,618.76 = 1,125.34 : x
  2. Step 2: Convert to fraction form
    4,412.22/6,618.76 = 1,125.34/x
  3. Step 3: Cross multiply
    4,412.22x = 6,618.76 × 1,125.34
  4. Step 4: Simplify right side
    4,412.22x = 7,448,379.58
  5. Step 5: Solve for x
    x = 7,448,379.58/4,412.22
  6. Step 6: Final answer
    x = 1,688.12

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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.