Home / 9,108.16-13,662.24-4,494.40

Finding the Fourth Proportional to 9,108.16, 13,662.24 and 4,494.40

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Solution

The fourth proportional to 9,108.16, 13,662.24 and 4,494.40 is: 6,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.16 : 13,662.24 = 4,494.40 : x
  2. Step 2: Convert to fraction form
    9,108.16/13,662.24 = 4,494.40/x
  3. Step 3: Cross multiply
    9,108.16x = 13,662.24 × 4,494.40
  4. Step 4: Simplify right side
    9,108.16x = 61,403,571.46
  5. Step 5: Solve for x
    x = 61,403,571.46/9,108.16
  6. Step 6: Final answer
    x = 6,741.60

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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.