Home / 8,254.90-11,385.93-5,112.10

Finding the Fourth Proportional to 8,254.90, 11,385.93 and 5,112.10

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Solution

The fourth proportional to 8,254.90, 11,385.93 and 5,112.10 is: 7,051.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.90 : 11,385.93 = 5,112.10 : x
  2. Step 2: Convert to fraction form
    8,254.90/11,385.93 = 5,112.10/x
  3. Step 3: Cross multiply
    8,254.90x = 11,385.93 × 5,112.10
  4. Step 4: Simplify right side
    8,254.90x = 58,206,012.75
  5. Step 5: Solve for x
    x = 58,206,012.75/8,254.90
  6. Step 6: Final answer
    x = 7,051.09

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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.