Home / 9,021.48-13,531.74-2,865

Finding the Fourth Proportional to 9,021.48, 13,531.74 and 2,865

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Solution

The fourth proportional to 9,021.48, 13,531.74 and 2,865 is: 4,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.48 : 13,531.74 = 2,865 : x
  2. Step 2: Convert to fraction form
    9,021.48/13,531.74 = 2,865/x
  3. Step 3: Cross multiply
    9,021.48x = 13,531.74 × 2,865
  4. Step 4: Simplify right side
    9,021.48x = 38,768,435.10
  5. Step 5: Solve for x
    x = 38,768,435.10/9,021.48
  6. Step 6: Final answer
    x = 4,297.35

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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.