Home / 9,148.07-13,720.68-2,907.27

Finding the Fourth Proportional to 9,148.07, 13,720.68 and 2,907.27

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Solution

The fourth proportional to 9,148.07, 13,720.68 and 2,907.27 is: 4,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.07 : 13,720.68 = 2,907.27 : x
  2. Step 2: Convert to fraction form
    9,148.07/13,720.68 = 2,907.27/x
  3. Step 3: Cross multiply
    9,148.07x = 13,720.68 × 2,907.27
  4. Step 4: Simplify right side
    9,148.07x = 39,889,721.34
  5. Step 5: Solve for x
    x = 39,889,721.34/9,148.07
  6. Step 6: Final answer
    x = 4,360.45

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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.