Home / 5,243.04-7,857.36-5,085.36

Finding the Fourth Proportional to 5,243.04, 7,857.36 and 5,085.36

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Solution

The fourth proportional to 5,243.04, 7,857.36 and 5,085.36 is: 7,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.04 : 7,857.36 = 5,085.36 : x
  2. Step 2: Convert to fraction form
    5,243.04/7,857.36 = 5,085.36/x
  3. Step 3: Cross multiply
    5,243.04x = 7,857.36 × 5,085.36
  4. Step 4: Simplify right side
    5,243.04x = 39,957,504.25
  5. Step 5: Solve for x
    x = 39,957,504.25/5,243.04
  6. Step 6: Final answer
    x = 7,621.06

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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.