Home / 8,322.40-11,499.54-6,657.52

Finding the Fourth Proportional to 8,322.40, 11,499.54 and 6,657.52

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Solution

The fourth proportional to 8,322.40, 11,499.54 and 6,657.52 is: 9,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.40 : 11,499.54 = 6,657.52 : x
  2. Step 2: Convert to fraction form
    8,322.40/11,499.54 = 6,657.52/x
  3. Step 3: Cross multiply
    8,322.40x = 11,499.54 × 6,657.52
  4. Step 4: Simplify right side
    8,322.40x = 76,558,417.54
  5. Step 5: Solve for x
    x = 76,558,417.54/8,322.40
  6. Step 6: Final answer
    x = 9,199.08

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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.