Home / 9,090.72-13,617.70-4,153.57

Finding the Fourth Proportional to 9,090.72, 13,617.70 and 4,153.57

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Solution

The fourth proportional to 9,090.72, 13,617.70 and 4,153.57 is: 6,221.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.72 : 13,617.70 = 4,153.57 : x
  2. Step 2: Convert to fraction form
    9,090.72/13,617.70 = 4,153.57/x
  3. Step 3: Cross multiply
    9,090.72x = 13,617.70 × 4,153.57
  4. Step 4: Simplify right side
    9,090.72x = 56,562,070.19
  5. Step 5: Solve for x
    x = 56,562,070.19/9,090.72
  6. Step 6: Final answer
    x = 6,221.96

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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.