Home / 7,477.89-11,189.15-5,504.99

Finding the Fourth Proportional to 7,477.89, 11,189.15 and 5,504.99

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Solution

The fourth proportional to 7,477.89, 11,189.15 and 5,504.99 is: 8,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.89 : 11,189.15 = 5,504.99 : x
  2. Step 2: Convert to fraction form
    7,477.89/11,189.15 = 5,504.99/x
  3. Step 3: Cross multiply
    7,477.89x = 11,189.15 × 5,504.99
  4. Step 4: Simplify right side
    7,477.89x = 61,596,135.24
  5. Step 5: Solve for x
    x = 61,596,135.24/7,477.89
  6. Step 6: Final answer
    x = 8,237.10

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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.