Home / 7,015.24-10,521.60-3,504.07

Finding the Fourth Proportional to 7,015.24, 10,521.60 and 3,504.07

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Solution

The fourth proportional to 7,015.24, 10,521.60 and 3,504.07 is: 5,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.24 : 10,521.60 = 3,504.07 : x
  2. Step 2: Convert to fraction form
    7,015.24/10,521.60 = 3,504.07/x
  3. Step 3: Cross multiply
    7,015.24x = 10,521.60 × 3,504.07
  4. Step 4: Simplify right side
    7,015.24x = 36,868,422.91
  5. Step 5: Solve for x
    x = 36,868,422.91/7,015.24
  6. Step 6: Final answer
    x = 5,255.48

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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.