Home / 7,015.87-10,515.74-3,066.20

Finding the Fourth Proportional to 7,015.87, 10,515.74 and 3,066.20

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Solution

The fourth proportional to 7,015.87, 10,515.74 and 3,066.20 is: 4,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.87 : 10,515.74 = 3,066.20 : x
  2. Step 2: Convert to fraction form
    7,015.87/10,515.74 = 3,066.20/x
  3. Step 3: Cross multiply
    7,015.87x = 10,515.74 × 3,066.20
  4. Step 4: Simplify right side
    7,015.87x = 32,243,409.91
  5. Step 5: Solve for x
    x = 32,243,409.91/7,015.87
  6. Step 6: Final answer
    x = 4,595.78

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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.