Home / 7,015.06-10,515.30-2,853.28

Finding the Fourth Proportional to 7,015.06, 10,515.30 and 2,853.28

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Solution

The fourth proportional to 7,015.06, 10,515.30 and 2,853.28 is: 4,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.06 : 10,515.30 = 2,853.28 : x
  2. Step 2: Convert to fraction form
    7,015.06/10,515.30 = 2,853.28/x
  3. Step 3: Cross multiply
    7,015.06x = 10,515.30 × 2,853.28
  4. Step 4: Simplify right side
    7,015.06x = 30,003,095.18
  5. Step 5: Solve for x
    x = 30,003,095.18/7,015.06
  6. Step 6: Final answer
    x = 4,276.95

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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.