Home / 4,345.68-6,518.64-1,424.40

Finding the Fourth Proportional to 4,345.68, 6,518.64 and 1,424.40

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Solution

The fourth proportional to 4,345.68, 6,518.64 and 1,424.40 is: 2,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.68 : 6,518.64 = 1,424.40 : x
  2. Step 2: Convert to fraction form
    4,345.68/6,518.64 = 1,424.40/x
  3. Step 3: Cross multiply
    4,345.68x = 6,518.64 × 1,424.40
  4. Step 4: Simplify right side
    4,345.68x = 9,285,150.82
  5. Step 5: Solve for x
    x = 9,285,150.82/4,345.68
  6. Step 6: Final answer
    x = 2,136.64

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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.