Home / 7,018.06-10,519.77-2,856.40

Finding the Fourth Proportional to 7,018.06, 10,519.77 and 2,856.40

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Solution

The fourth proportional to 7,018.06, 10,519.77 and 2,856.40 is: 4,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.06 : 10,519.77 = 2,856.40 : x
  2. Step 2: Convert to fraction form
    7,018.06/10,519.77 = 2,856.40/x
  3. Step 3: Cross multiply
    7,018.06x = 10,519.77 × 2,856.40
  4. Step 4: Simplify right side
    7,018.06x = 30,048,671.03
  5. Step 5: Solve for x
    x = 30,048,671.03/7,018.06
  6. Step 6: Final answer
    x = 4,281.62

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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.