Home / 7,235.76-10,846.32-2,856.30

Finding the Fourth Proportional to 7,235.76, 10,846.32 and 2,856.30

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Solution

The fourth proportional to 7,235.76, 10,846.32 and 2,856.30 is: 4,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.76 : 10,846.32 = 2,856.30 : x
  2. Step 2: Convert to fraction form
    7,235.76/10,846.32 = 2,856.30/x
  3. Step 3: Cross multiply
    7,235.76x = 10,846.32 × 2,856.30
  4. Step 4: Simplify right side
    7,235.76x = 30,980,343.82
  5. Step 5: Solve for x
    x = 30,980,343.82/7,235.76
  6. Step 6: Final answer
    x = 4,281.56

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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.