Home / 8,247.25-11,381.25-4,935.25

Finding the Fourth Proportional to 8,247.25, 11,381.25 and 4,935.25

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Solution

The fourth proportional to 8,247.25, 11,381.25 and 4,935.25 is: 6,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.25 : 11,381.25 = 4,935.25 : x
  2. Step 2: Convert to fraction form
    8,247.25/11,381.25 = 4,935.25/x
  3. Step 3: Cross multiply
    8,247.25x = 11,381.25 × 4,935.25
  4. Step 4: Simplify right side
    8,247.25x = 56,169,314.06
  5. Step 5: Solve for x
    x = 56,169,314.06/8,247.25
  6. Step 6: Final answer
    x = 6,810.67

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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.