Home / 7,155.16-10,716.32-6,750.56

Finding the Fourth Proportional to 7,155.16, 10,716.32 and 6,750.56

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Solution

The fourth proportional to 7,155.16, 10,716.32 and 6,750.56 is: 10,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.16 : 10,716.32 = 6,750.56 : x
  2. Step 2: Convert to fraction form
    7,155.16/10,716.32 = 6,750.56/x
  3. Step 3: Cross multiply
    7,155.16x = 10,716.32 × 6,750.56
  4. Step 4: Simplify right side
    7,155.16x = 72,341,204.81
  5. Step 5: Solve for x
    x = 72,341,204.81/7,155.16
  6. Step 6: Final answer
    x = 10,110.36

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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.