Home / 7,400.08-10,158.64-6,350.32

Finding the Fourth Proportional to 7,400.08, 10,158.64 and 6,350.32

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Solution

The fourth proportional to 7,400.08, 10,158.64 and 6,350.32 is: 8,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.08 : 10,158.64 = 6,350.32 : x
  2. Step 2: Convert to fraction form
    7,400.08/10,158.64 = 6,350.32/x
  3. Step 3: Cross multiply
    7,400.08x = 10,158.64 × 6,350.32
  4. Step 4: Simplify right side
    7,400.08x = 64,510,614.76
  5. Step 5: Solve for x
    x = 64,510,614.76/7,400.08
  6. Step 6: Final answer
    x = 8,717.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.