Home / 4,811.42-7,218.28-2,345.68

Finding the Fourth Proportional to 4,811.42, 7,218.28 and 2,345.68

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Solution

The fourth proportional to 4,811.42, 7,218.28 and 2,345.68 is: 3,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.42 : 7,218.28 = 2,345.68 : x
  2. Step 2: Convert to fraction form
    4,811.42/7,218.28 = 2,345.68/x
  3. Step 3: Cross multiply
    4,811.42x = 7,218.28 × 2,345.68
  4. Step 4: Simplify right side
    4,811.42x = 16,931,746.38
  5. Step 5: Solve for x
    x = 16,931,746.38/4,811.42
  6. Step 6: Final answer
    x = 3,519.08

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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.