Home / 9,090.16-13,632.32-3,542.16

Finding the Fourth Proportional to 9,090.16, 13,632.32 and 3,542.16

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Solution

The fourth proportional to 9,090.16, 13,632.32 and 3,542.16 is: 5,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.16 : 13,632.32 = 3,542.16 : x
  2. Step 2: Convert to fraction form
    9,090.16/13,632.32 = 3,542.16/x
  3. Step 3: Cross multiply
    9,090.16x = 13,632.32 × 3,542.16
  4. Step 4: Simplify right side
    9,090.16x = 48,287,858.61
  5. Step 5: Solve for x
    x = 48,287,858.61/9,090.16
  6. Step 6: Final answer
    x = 5,312.10

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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.