Home / 7,518.18-11,269.77-6,205.98

Finding the Fourth Proportional to 7,518.18, 11,269.77 and 6,205.98

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Solution

The fourth proportional to 7,518.18, 11,269.77 and 6,205.98 is: 9,302.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.18 : 11,269.77 = 6,205.98 : x
  2. Step 2: Convert to fraction form
    7,518.18/11,269.77 = 6,205.98/x
  3. Step 3: Cross multiply
    7,518.18x = 11,269.77 × 6,205.98
  4. Step 4: Simplify right side
    7,518.18x = 69,939,967.22
  5. Step 5: Solve for x
    x = 69,939,967.22/7,518.18
  6. Step 6: Final answer
    x = 9,302.78

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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.