Home / 4,780.01-7,169.87-1,317.23

Finding the Fourth Proportional to 4,780.01, 7,169.87 and 1,317.23

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Solution

The fourth proportional to 4,780.01, 7,169.87 and 1,317.23 is: 1,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.01 : 7,169.87 = 1,317.23 : x
  2. Step 2: Convert to fraction form
    4,780.01/7,169.87 = 1,317.23/x
  3. Step 3: Cross multiply
    4,780.01x = 7,169.87 × 1,317.23
  4. Step 4: Simplify right side
    4,780.01x = 9,444,361.27
  5. Step 5: Solve for x
    x = 9,444,361.27/4,780.01
  6. Step 6: Final answer
    x = 1,975.80

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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.