Home / 7,138.18-10,697.55-4,536.46

Finding the Fourth Proportional to 7,138.18, 10,697.55 and 4,536.46

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Solution

The fourth proportional to 7,138.18, 10,697.55 and 4,536.46 is: 6,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138.18 : 10,697.55 = 4,536.46 : x
  2. Step 2: Convert to fraction form
    7,138.18/10,697.55 = 4,536.46/x
  3. Step 3: Cross multiply
    7,138.18x = 10,697.55 × 4,536.46
  4. Step 4: Simplify right side
    7,138.18x = 48,529,007.67
  5. Step 5: Solve for x
    x = 48,529,007.67/7,138.18
  6. Step 6: Final answer
    x = 6,798.51

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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.