Home / 7,015.86-10,518.93-3,118.14

Finding the Fourth Proportional to 7,015.86, 10,518.93 and 3,118.14

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Solution

The fourth proportional to 7,015.86, 10,518.93 and 3,118.14 is: 4,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.86 : 10,518.93 = 3,118.14 : x
  2. Step 2: Convert to fraction form
    7,015.86/10,518.93 = 3,118.14/x
  3. Step 3: Cross multiply
    7,015.86x = 10,518.93 × 3,118.14
  4. Step 4: Simplify right side
    7,015.86x = 32,799,496.39
  5. Step 5: Solve for x
    x = 32,799,496.39/7,015.86
  6. Step 6: Final answer
    x = 4,675.05

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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.