Home / 8,444.08-11,635.32-7,180.72

Finding the Fourth Proportional to 8,444.08, 11,635.32 and 7,180.72

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Solution

The fourth proportional to 8,444.08, 11,635.32 and 7,180.72 is: 9,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,444.08 : 11,635.32 = 7,180.72 : x
  2. Step 2: Convert to fraction form
    8,444.08/11,635.32 = 7,180.72/x
  3. Step 3: Cross multiply
    8,444.08x = 11,635.32 × 7,180.72
  4. Step 4: Simplify right side
    8,444.08x = 83,549,975.03
  5. Step 5: Solve for x
    x = 83,549,975.03/8,444.08
  6. Step 6: Final answer
    x = 9,894.50

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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.