Home / 7,016.40-10,525.92-3,121.10

Finding the Fourth Proportional to 7,016.40, 10,525.92 and 3,121.10

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Solution

The fourth proportional to 7,016.40, 10,525.92 and 3,121.10 is: 4,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,016.40 : 10,525.92 = 3,121.10 : x
  2. Step 2: Convert to fraction form
    7,016.40/10,525.92 = 3,121.10/x
  3. Step 3: Cross multiply
    7,016.40x = 10,525.92 × 3,121.10
  4. Step 4: Simplify right side
    7,016.40x = 32,852,448.91
  5. Step 5: Solve for x
    x = 32,852,448.91/7,016.40
  6. Step 6: Final answer
    x = 4,682.24

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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.