Home / 9,187.34-13,775.94-2,860.47

Finding the Fourth Proportional to 9,187.34, 13,775.94 and 2,860.47

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Solution

The fourth proportional to 9,187.34, 13,775.94 and 2,860.47 is: 4,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.34 : 13,775.94 = 2,860.47 : x
  2. Step 2: Convert to fraction form
    9,187.34/13,775.94 = 2,860.47/x
  3. Step 3: Cross multiply
    9,187.34x = 13,775.94 × 2,860.47
  4. Step 4: Simplify right side
    9,187.34x = 39,405,663.09
  5. Step 5: Solve for x
    x = 39,405,663.09/9,187.34
  6. Step 6: Final answer
    x = 4,289.13

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1.5x scale

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.