Home / 9,128.16-13,670.44-4,674.92

Finding the Fourth Proportional to 9,128.16, 13,670.44 and 4,674.92

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Solution

The fourth proportional to 9,128.16, 13,670.44 and 4,674.92 is: 7,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.16 : 13,670.44 = 4,674.92 : x
  2. Step 2: Convert to fraction form
    9,128.16/13,670.44 = 4,674.92/x
  3. Step 3: Cross multiply
    9,128.16x = 13,670.44 × 4,674.92
  4. Step 4: Simplify right side
    9,128.16x = 63,908,133.33
  5. Step 5: Solve for x
    x = 63,908,133.33/9,128.16
  6. Step 6: Final answer
    x = 7,001.21

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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.