Home / 7,029.30-10,540.29-3,515.52

Finding the Fourth Proportional to 7,029.30, 10,540.29 and 3,515.52

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Solution

The fourth proportional to 7,029.30, 10,540.29 and 3,515.52 is: 5,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.30 : 10,540.29 = 3,515.52 : x
  2. Step 2: Convert to fraction form
    7,029.30/10,540.29 = 3,515.52/x
  3. Step 3: Cross multiply
    7,029.30x = 10,540.29 × 3,515.52
  4. Step 4: Simplify right side
    7,029.30x = 37,054,600.30
  5. Step 5: Solve for x
    x = 37,054,600.30/7,029.30
  6. Step 6: Final answer
    x = 5,271.45

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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.