Home / 4,740.17-7,111.09-1,619.44

Finding the Fourth Proportional to 4,740.17, 7,111.09 and 1,619.44

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Solution

The fourth proportional to 4,740.17, 7,111.09 and 1,619.44 is: 2,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.17 : 7,111.09 = 1,619.44 : x
  2. Step 2: Convert to fraction form
    4,740.17/7,111.09 = 1,619.44/x
  3. Step 3: Cross multiply
    4,740.17x = 7,111.09 × 1,619.44
  4. Step 4: Simplify right side
    4,740.17x = 11,515,975.49
  5. Step 5: Solve for x
    x = 11,515,975.49/4,740.17
  6. Step 6: Final answer
    x = 2,429.45

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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.