Home / 7,158.12-10,738.62-2,477.76

Finding the Fourth Proportional to 7,158.12, 10,738.62 and 2,477.76

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Solution

The fourth proportional to 7,158.12, 10,738.62 and 2,477.76 is: 3,717.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.12 : 10,738.62 = 2,477.76 : x
  2. Step 2: Convert to fraction form
    7,158.12/10,738.62 = 2,477.76/x
  3. Step 3: Cross multiply
    7,158.12x = 10,738.62 × 2,477.76
  4. Step 4: Simplify right side
    7,158.12x = 26,607,723.09
  5. Step 5: Solve for x
    x = 26,607,723.09/7,158.12
  6. Step 6: Final answer
    x = 3,717.14

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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.