Home / 4,739.19-7,113.59-4,273.80

Finding the Fourth Proportional to 4,739.19, 7,113.59 and 4,273.80

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Solution

The fourth proportional to 4,739.19, 7,113.59 and 4,273.80 is: 6,415.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.19 : 7,113.59 = 4,273.80 : x
  2. Step 2: Convert to fraction form
    4,739.19/7,113.59 = 4,273.80/x
  3. Step 3: Cross multiply
    4,739.19x = 7,113.59 × 4,273.80
  4. Step 4: Simplify right side
    4,739.19x = 30,402,004.01
  5. Step 5: Solve for x
    x = 30,402,004.01/4,739.19
  6. Step 6: Final answer
    x = 6,415.03

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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.