Home / 7,385.41-11,071.09-4,745.49

Finding the Fourth Proportional to 7,385.41, 11,071.09 and 4,745.49

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Solution

The fourth proportional to 7,385.41, 11,071.09 and 4,745.49 is: 7,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.41 : 11,071.09 = 4,745.49 : x
  2. Step 2: Convert to fraction form
    7,385.41/11,071.09 = 4,745.49/x
  3. Step 3: Cross multiply
    7,385.41x = 11,071.09 × 4,745.49
  4. Step 4: Simplify right side
    7,385.41x = 52,537,746.88
  5. Step 5: Solve for x
    x = 52,537,746.88/7,385.41
  6. Step 6: Final answer
    x = 7,113.72

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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.