Home / 7,629.66-11,351.34-7,603.74

Finding the Fourth Proportional to 7,629.66, 11,351.34 and 7,603.74

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Solution

The fourth proportional to 7,629.66, 11,351.34 and 7,603.74 is: 11,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.66 : 11,351.34 = 7,603.74 : x
  2. Step 2: Convert to fraction form
    7,629.66/11,351.34 = 7,603.74/x
  3. Step 3: Cross multiply
    7,629.66x = 11,351.34 × 7,603.74
  4. Step 4: Simplify right side
    7,629.66x = 86,312,638.01
  5. Step 5: Solve for x
    x = 86,312,638.01/7,629.66
  6. Step 6: Final answer
    x = 11,312.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.