Home / 7,927.19-10,914.61-6,729.81

Finding the Fourth Proportional to 7,927.19, 10,914.61 and 6,729.81

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Solution

The fourth proportional to 7,927.19, 10,914.61 and 6,729.81 is: 9,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.19 : 10,914.61 = 6,729.81 : x
  2. Step 2: Convert to fraction form
    7,927.19/10,914.61 = 6,729.81/x
  3. Step 3: Cross multiply
    7,927.19x = 10,914.61 × 6,729.81
  4. Step 4: Simplify right side
    7,927.19x = 73,453,248.86
  5. Step 5: Solve for x
    x = 73,453,248.86/7,927.19
  6. Step 6: Final answer
    x = 9,265.98

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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.