Home / 4,345.38-6,518.76-1,423.02

Finding the Fourth Proportional to 4,345.38, 6,518.76 and 1,423.02

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Solution

The fourth proportional to 4,345.38, 6,518.76 and 1,423.02 is: 2,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.38 : 6,518.76 = 1,423.02 : x
  2. Step 2: Convert to fraction form
    4,345.38/6,518.76 = 1,423.02/x
  3. Step 3: Cross multiply
    4,345.38x = 6,518.76 × 1,423.02
  4. Step 4: Simplify right side
    4,345.38x = 9,276,325.86
  5. Step 5: Solve for x
    x = 9,276,325.86/4,345.38
  6. Step 6: Final answer
    x = 2,134.76

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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.