Home / 8,270.28-11,409.08-4,911.18

Finding the Fourth Proportional to 8,270.28, 11,409.08 and 4,911.18

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Solution

The fourth proportional to 8,270.28, 11,409.08 and 4,911.18 is: 6,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.28 : 11,409.08 = 4,911.18 : x
  2. Step 2: Convert to fraction form
    8,270.28/11,409.08 = 4,911.18/x
  3. Step 3: Cross multiply
    8,270.28x = 11,409.08 × 4,911.18
  4. Step 4: Simplify right side
    8,270.28x = 56,032,056.16
  5. Step 5: Solve for x
    x = 56,032,056.16/8,270.28
  6. Step 6: Final answer
    x = 6,775.11

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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.