Home / 5,243.07-7,235.42-2,885.16

Finding the Fourth Proportional to 5,243.07, 7,235.42 and 2,885.16

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Solution

The fourth proportional to 5,243.07, 7,235.42 and 2,885.16 is: 3,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.07 : 7,235.42 = 2,885.16 : x
  2. Step 2: Convert to fraction form
    5,243.07/7,235.42 = 2,885.16/x
  3. Step 3: Cross multiply
    5,243.07x = 7,235.42 × 2,885.16
  4. Step 4: Simplify right side
    5,243.07x = 20,875,344.37
  5. Step 5: Solve for x
    x = 20,875,344.37/5,243.07
  6. Step 6: Final answer
    x = 3,981.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.