Home / 4,712.86-7,070.43-3,328.90

Finding the Fourth Proportional to 4,712.86, 7,070.43 and 3,328.90

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Solution

The fourth proportional to 4,712.86, 7,070.43 and 3,328.90 is: 4,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.86 : 7,070.43 = 3,328.90 : x
  2. Step 2: Convert to fraction form
    4,712.86/7,070.43 = 3,328.90/x
  3. Step 3: Cross multiply
    4,712.86x = 7,070.43 × 3,328.90
  4. Step 4: Simplify right side
    4,712.86x = 23,536,754.43
  5. Step 5: Solve for x
    x = 23,536,754.43/4,712.86
  6. Step 6: Final answer
    x = 4,994.16

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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.