Home / 4,839.51-7,259.67-1,720.20

Finding the Fourth Proportional to 4,839.51, 7,259.67 and 1,720.20

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Solution

The fourth proportional to 4,839.51, 7,259.67 and 1,720.20 is: 2,580.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.51 : 7,259.67 = 1,720.20 : x
  2. Step 2: Convert to fraction form
    4,839.51/7,259.67 = 1,720.20/x
  3. Step 3: Cross multiply
    4,839.51x = 7,259.67 × 1,720.20
  4. Step 4: Simplify right side
    4,839.51x = 12,488,084.33
  5. Step 5: Solve for x
    x = 12,488,084.33/4,839.51
  6. Step 6: Final answer
    x = 2,580.44

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1.5x scale

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.