Home / 7,015.78-10,524.36-2,856.16

Finding the Fourth Proportional to 7,015.78, 10,524.36 and 2,856.16

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Solution

The fourth proportional to 7,015.78, 10,524.36 and 2,856.16 is: 4,284.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.78 : 10,524.36 = 2,856.16 : x
  2. Step 2: Convert to fraction form
    7,015.78/10,524.36 = 2,856.16/x
  3. Step 3: Cross multiply
    7,015.78x = 10,524.36 × 2,856.16
  4. Step 4: Simplify right side
    7,015.78x = 30,059,256.06
  5. Step 5: Solve for x
    x = 30,059,256.06/7,015.78
  6. Step 6: Final answer
    x = 4,284.52

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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.