Home / 8,001.06-11,042.46-4,643.15

Finding the Fourth Proportional to 8,001.06, 11,042.46 and 4,643.15

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Solution

The fourth proportional to 8,001.06, 11,042.46 and 4,643.15 is: 6,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.06 : 11,042.46 = 4,643.15 : x
  2. Step 2: Convert to fraction form
    8,001.06/11,042.46 = 4,643.15/x
  3. Step 3: Cross multiply
    8,001.06x = 11,042.46 × 4,643.15
  4. Step 4: Simplify right side
    8,001.06x = 51,271,825.76
  5. Step 5: Solve for x
    x = 51,271,825.76/8,001.06
  6. Step 6: Final answer
    x = 6,408.13

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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.