Home / 9,337.03-12,884.34-5,145.28

Finding the Fourth Proportional to 9,337.03, 12,884.34 and 5,145.28

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Solution

The fourth proportional to 9,337.03, 12,884.34 and 5,145.28 is: 7,100.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.03 : 12,884.34 = 5,145.28 : x
  2. Step 2: Convert to fraction form
    9,337.03/12,884.34 = 5,145.28/x
  3. Step 3: Cross multiply
    9,337.03x = 12,884.34 × 5,145.28
  4. Step 4: Simplify right side
    9,337.03x = 66,293,536.92
  5. Step 5: Solve for x
    x = 66,293,536.92/9,337.03
  6. Step 6: Final answer
    x = 7,100.07

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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.