Home / 5,238.06-7,858.02-1,728.26

Finding the Fourth Proportional to 5,238.06, 7,858.02 and 1,728.26

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Solution

The fourth proportional to 5,238.06, 7,858.02 and 1,728.26 is: 2,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.06 : 7,858.02 = 1,728.26 : x
  2. Step 2: Convert to fraction form
    5,238.06/7,858.02 = 1,728.26/x
  3. Step 3: Cross multiply
    5,238.06x = 7,858.02 × 1,728.26
  4. Step 4: Simplify right side
    5,238.06x = 13,580,701.65
  5. Step 5: Solve for x
    x = 13,580,701.65/5,238.06
  6. Step 6: Final answer
    x = 2,592.70

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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.