Home / 4,782.11-7,170.30-1,970.10

Finding the Fourth Proportional to 4,782.11, 7,170.30 and 1,970.10

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Solution

The fourth proportional to 4,782.11, 7,170.30 and 1,970.10 is: 2,953.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.11 : 7,170.30 = 1,970.10 : x
  2. Step 2: Convert to fraction form
    4,782.11/7,170.30 = 1,970.10/x
  3. Step 3: Cross multiply
    4,782.11x = 7,170.30 × 1,970.10
  4. Step 4: Simplify right side
    4,782.11x = 14,126,208.03
  5. Step 5: Solve for x
    x = 14,126,208.03/4,782.11
  6. Step 6: Final answer
    x = 2,953.97

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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.