Home / 9,370.88-12,932.32-5,392.60

Finding the Fourth Proportional to 9,370.88, 12,932.32 and 5,392.60

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Solution

The fourth proportional to 9,370.88, 12,932.32 and 5,392.60 is: 7,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.88 : 12,932.32 = 5,392.60 : x
  2. Step 2: Convert to fraction form
    9,370.88/12,932.32 = 5,392.60/x
  3. Step 3: Cross multiply
    9,370.88x = 12,932.32 × 5,392.60
  4. Step 4: Simplify right side
    9,370.88x = 69,738,828.83
  5. Step 5: Solve for x
    x = 69,738,828.83/9,370.88
  6. Step 6: Final answer
    x = 7,442.08

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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.