Home / 8,109.02-11,193.72-6,120.07

Finding the Fourth Proportional to 8,109.02, 11,193.72 and 6,120.07

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Solution

The fourth proportional to 8,109.02, 11,193.72 and 6,120.07 is: 8,448.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.02 : 11,193.72 = 6,120.07 : x
  2. Step 2: Convert to fraction form
    8,109.02/11,193.72 = 6,120.07/x
  3. Step 3: Cross multiply
    8,109.02x = 11,193.72 × 6,120.07
  4. Step 4: Simplify right side
    8,109.02x = 68,506,349.96
  5. Step 5: Solve for x
    x = 68,506,349.96/8,109.02
  6. Step 6: Final answer
    x = 8,448.17

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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.