Home / 5,623.40-7,760.31-3,071.16

Finding the Fourth Proportional to 5,623.40, 7,760.31 and 3,071.16

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Solution

The fourth proportional to 5,623.40, 7,760.31 and 3,071.16 is: 4,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.40 : 7,760.31 = 3,071.16 : x
  2. Step 2: Convert to fraction form
    5,623.40/7,760.31 = 3,071.16/x
  3. Step 3: Cross multiply
    5,623.40x = 7,760.31 × 3,071.16
  4. Step 4: Simplify right side
    5,623.40x = 23,833,142.14
  5. Step 5: Solve for x
    x = 23,833,142.14/5,623.40
  6. Step 6: Final answer
    x = 4,238.21

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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.