Home / 8,911.13-13,362.06-4,166.45

Finding the Fourth Proportional to 8,911.13, 13,362.06 and 4,166.45

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Solution

The fourth proportional to 8,911.13, 13,362.06 and 4,166.45 is: 6,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.13 : 13,362.06 = 4,166.45 : x
  2. Step 2: Convert to fraction form
    8,911.13/13,362.06 = 4,166.45/x
  3. Step 3: Cross multiply
    8,911.13x = 13,362.06 × 4,166.45
  4. Step 4: Simplify right side
    8,911.13x = 55,672,428.97
  5. Step 5: Solve for x
    x = 55,672,428.97/8,911.13
  6. Step 6: Final answer
    x = 6,247.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.