Home / 7,186.18-10,781.52-4,570

Finding the Fourth Proportional to 7,186.18, 10,781.52 and 4,570

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Solution

The fourth proportional to 7,186.18, 10,781.52 and 4,570 is: 6,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.18 : 10,781.52 = 4,570 : x
  2. Step 2: Convert to fraction form
    7,186.18/10,781.52 = 4,570/x
  3. Step 3: Cross multiply
    7,186.18x = 10,781.52 × 4,570
  4. Step 4: Simplify right side
    7,186.18x = 49,271,546.40
  5. Step 5: Solve for x
    x = 49,271,546.40/7,186.18
  6. Step 6: Final answer
    x = 6,856.43

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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.