Home / 8,930.22-12,338.55-7,056.19

Finding the Fourth Proportional to 8,930.22, 12,338.55 and 7,056.19

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Solution

The fourth proportional to 8,930.22, 12,338.55 and 7,056.19 is: 9,749.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.22 : 12,338.55 = 7,056.19 : x
  2. Step 2: Convert to fraction form
    8,930.22/12,338.55 = 7,056.19/x
  3. Step 3: Cross multiply
    8,930.22x = 12,338.55 × 7,056.19
  4. Step 4: Simplify right side
    8,930.22x = 87,063,056.15
  5. Step 5: Solve for x
    x = 87,063,056.15/8,930.22
  6. Step 6: Final answer
    x = 9,749.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.