Home / 7,366.08-10,162.86-4,178.82

Finding the Fourth Proportional to 7,366.08, 10,162.86 and 4,178.82

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Solution

The fourth proportional to 7,366.08, 10,162.86 and 4,178.82 is: 5,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,366.08 : 10,162.86 = 4,178.82 : x
  2. Step 2: Convert to fraction form
    7,366.08/10,162.86 = 4,178.82/x
  3. Step 3: Cross multiply
    7,366.08x = 10,162.86 × 4,178.82
  4. Step 4: Simplify right side
    7,366.08x = 42,468,762.63
  5. Step 5: Solve for x
    x = 42,468,762.63/7,366.08
  6. Step 6: Final answer
    x = 5,765.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.