Home / 9,120.48-13,686.86-3,573.13

Finding the Fourth Proportional to 9,120.48, 13,686.86 and 3,573.13

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Solution

The fourth proportional to 9,120.48, 13,686.86 and 3,573.13 is: 5,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.48 : 13,686.86 = 3,573.13 : x
  2. Step 2: Convert to fraction form
    9,120.48/13,686.86 = 3,573.13/x
  3. Step 3: Cross multiply
    9,120.48x = 13,686.86 × 3,573.13
  4. Step 4: Simplify right side
    9,120.48x = 48,904,930.07
  5. Step 5: Solve for x
    x = 48,904,930.07/9,120.48
  6. Step 6: Final answer
    x = 5,362.10

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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.