Home / 8,273.03-12,409.09-5,111.06

Finding the Fourth Proportional to 8,273.03, 12,409.09 and 5,111.06

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Solution

The fourth proportional to 8,273.03, 12,409.09 and 5,111.06 is: 7,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.03 : 12,409.09 = 5,111.06 : x
  2. Step 2: Convert to fraction form
    8,273.03/12,409.09 = 5,111.06/x
  3. Step 3: Cross multiply
    8,273.03x = 12,409.09 × 5,111.06
  4. Step 4: Simplify right side
    8,273.03x = 63,423,528.71
  5. Step 5: Solve for x
    x = 63,423,528.71/8,273.03
  6. Step 6: Final answer
    x = 7,666.30

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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.