Home / 6,685.36-9,222.72-4,328.26

Finding the Fourth Proportional to 6,685.36, 9,222.72 and 4,328.26

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Solution

The fourth proportional to 6,685.36, 9,222.72 and 4,328.26 is: 5,971.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685.36 : 9,222.72 = 4,328.26 : x
  2. Step 2: Convert to fraction form
    6,685.36/9,222.72 = 4,328.26/x
  3. Step 3: Cross multiply
    6,685.36x = 9,222.72 × 4,328.26
  4. Step 4: Simplify right side
    6,685.36x = 39,918,330.07
  5. Step 5: Solve for x
    x = 39,918,330.07/6,685.36
  6. Step 6: Final answer
    x = 5,971.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.