Home / 9,370.07-12,930.30-5,121.03

Finding the Fourth Proportional to 9,370.07, 12,930.30 and 5,121.03

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Solution

The fourth proportional to 9,370.07, 12,930.30 and 5,121.03 is: 7,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.07 : 12,930.30 = 5,121.03 : x
  2. Step 2: Convert to fraction form
    9,370.07/12,930.30 = 5,121.03/x
  3. Step 3: Cross multiply
    9,370.07x = 12,930.30 × 5,121.03
  4. Step 4: Simplify right side
    9,370.07x = 66,216,454.21
  5. Step 5: Solve for x
    x = 66,216,454.21/9,370.07
  6. Step 6: Final answer
    x = 7,066.80

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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.