Home / 8,400.36-12,599.64-2,557.02

Finding the Fourth Proportional to 8,400.36, 12,599.64 and 2,557.02

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Solution

The fourth proportional to 8,400.36, 12,599.64 and 2,557.02 is: 3,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.36 : 12,599.64 = 2,557.02 : x
  2. Step 2: Convert to fraction form
    8,400.36/12,599.64 = 2,557.02/x
  3. Step 3: Cross multiply
    8,400.36x = 12,599.64 × 2,557.02
  4. Step 4: Simplify right side
    8,400.36x = 32,217,531.47
  5. Step 5: Solve for x
    x = 32,217,531.47/8,400.36
  6. Step 6: Final answer
    x = 3,835.26

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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.