Home / 9,148.05-13,720.65-2,907.25

Finding the Fourth Proportional to 9,148.05, 13,720.65 and 2,907.25

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Solution

The fourth proportional to 9,148.05, 13,720.65 and 2,907.25 is: 4,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.05 : 13,720.65 = 2,907.25 : x
  2. Step 2: Convert to fraction form
    9,148.05/13,720.65 = 2,907.25/x
  3. Step 3: Cross multiply
    9,148.05x = 13,720.65 × 2,907.25
  4. Step 4: Simplify right side
    9,148.05x = 39,889,359.71
  5. Step 5: Solve for x
    x = 39,889,359.71/9,148.05
  6. Step 6: Final answer
    x = 4,360.42

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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.