Home / 7,408.18-11,090.13-4,477.60

Finding the Fourth Proportional to 7,408.18, 11,090.13 and 4,477.60

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Solution

The fourth proportional to 7,408.18, 11,090.13 and 4,477.60 is: 6,703.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.18 : 11,090.13 = 4,477.60 : x
  2. Step 2: Convert to fraction form
    7,408.18/11,090.13 = 4,477.60/x
  3. Step 3: Cross multiply
    7,408.18x = 11,090.13 × 4,477.60
  4. Step 4: Simplify right side
    7,408.18x = 49,657,166.09
  5. Step 5: Solve for x
    x = 49,657,166.09/7,408.18
  6. Step 6: Final answer
    x = 6,703.02

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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.