Home / 4,740.16-7,115.44-1,968.80

Finding the Fourth Proportional to 4,740.16, 7,115.44 and 1,968.80

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Solution

The fourth proportional to 4,740.16, 7,115.44 and 1,968.80 is: 2,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.16 : 7,115.44 = 1,968.80 : x
  2. Step 2: Convert to fraction form
    4,740.16/7,115.44 = 1,968.80/x
  3. Step 3: Cross multiply
    4,740.16x = 7,115.44 × 1,968.80
  4. Step 4: Simplify right side
    4,740.16x = 14,008,878.27
  5. Step 5: Solve for x
    x = 14,008,878.27/4,740.16
  6. Step 6: Final answer
    x = 2,955.36

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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.