Home / 4,782.82-7,170-2,320.06

Finding the Fourth Proportional to 4,782.82, 7,170 and 2,320.06

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Solution

The fourth proportional to 4,782.82, 7,170 and 2,320.06 is: 3,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.82 : 7,170 = 2,320.06 : x
  2. Step 2: Convert to fraction form
    4,782.82/7,170 = 2,320.06/x
  3. Step 3: Cross multiply
    4,782.82x = 7,170 × 2,320.06
  4. Step 4: Simplify right side
    4,782.82x = 16,634,830.20
  5. Step 5: Solve for x
    x = 16,634,830.20/4,782.82
  6. Step 6: Final answer
    x = 3,478.04

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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.