Home / 7,018.08-10,519.80-2,856.28

Finding the Fourth Proportional to 7,018.08, 10,519.80 and 2,856.28

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Solution

The fourth proportional to 7,018.08, 10,519.80 and 2,856.28 is: 4,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.08 : 10,519.80 = 2,856.28 : x
  2. Step 2: Convert to fraction form
    7,018.08/10,519.80 = 2,856.28/x
  3. Step 3: Cross multiply
    7,018.08x = 10,519.80 × 2,856.28
  4. Step 4: Simplify right side
    7,018.08x = 30,047,494.34
  5. Step 5: Solve for x
    x = 30,047,494.34/7,018.08
  6. Step 6: Final answer
    x = 4,281.44

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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.