Home / 7,511.90-11,268.36-2,585

Finding the Fourth Proportional to 7,511.90, 11,268.36 and 2,585

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Solution

The fourth proportional to 7,511.90, 11,268.36 and 2,585 is: 3,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.90 : 11,268.36 = 2,585 : x
  2. Step 2: Convert to fraction form
    7,511.90/11,268.36 = 2,585/x
  3. Step 3: Cross multiply
    7,511.90x = 11,268.36 × 2,585
  4. Step 4: Simplify right side
    7,511.90x = 29,128,710.60
  5. Step 5: Solve for x
    x = 29,128,710.60/7,511.90
  6. Step 6: Final answer
    x = 3,877.68

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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.