Home / 9,170.48-12,655.43-5,137.27

Finding the Fourth Proportional to 9,170.48, 12,655.43 and 5,137.27

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Solution

The fourth proportional to 9,170.48, 12,655.43 and 5,137.27 is: 7,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.48 : 12,655.43 = 5,137.27 : x
  2. Step 2: Convert to fraction form
    9,170.48/12,655.43 = 5,137.27/x
  3. Step 3: Cross multiply
    9,170.48x = 12,655.43 × 5,137.27
  4. Step 4: Simplify right side
    9,170.48x = 65,014,358.63
  5. Step 5: Solve for x
    x = 65,014,358.63/9,170.48
  6. Step 6: Final answer
    x = 7,089.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.