Home / 9,370.08-12,929.60-5,177.60

Finding the Fourth Proportional to 9,370.08, 12,929.60 and 5,177.60

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Solution

The fourth proportional to 9,370.08, 12,929.60 and 5,177.60 is: 7,144.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.08 : 12,929.60 = 5,177.60 : x
  2. Step 2: Convert to fraction form
    9,370.08/12,929.60 = 5,177.60/x
  3. Step 3: Cross multiply
    9,370.08x = 12,929.60 × 5,177.60
  4. Step 4: Simplify right side
    9,370.08x = 66,944,296.96
  5. Step 5: Solve for x
    x = 66,944,296.96/9,370.08
  6. Step 6: Final answer
    x = 7,144.47

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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.