Home / 4,266.26-6,400.20-1,345.40

Finding the Fourth Proportional to 4,266.26, 6,400.20 and 1,345.40

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Solution

The fourth proportional to 4,266.26, 6,400.20 and 1,345.40 is: 2,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.26 : 6,400.20 = 1,345.40 : x
  2. Step 2: Convert to fraction form
    4,266.26/6,400.20 = 1,345.40/x
  3. Step 3: Cross multiply
    4,266.26x = 6,400.20 × 1,345.40
  4. Step 4: Simplify right side
    4,266.26x = 8,610,829.08
  5. Step 5: Solve for x
    x = 8,610,829.08/4,266.26
  6. Step 6: Final answer
    x = 2,018.36

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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.