Home / 7,090.38-9,784.59-4,439.25

Finding the Fourth Proportional to 7,090.38, 9,784.59 and 4,439.25

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Solution

The fourth proportional to 7,090.38, 9,784.59 and 4,439.25 is: 6,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.38 : 9,784.59 = 4,439.25 : x
  2. Step 2: Convert to fraction form
    7,090.38/9,784.59 = 4,439.25/x
  3. Step 3: Cross multiply
    7,090.38x = 9,784.59 × 4,439.25
  4. Step 4: Simplify right side
    7,090.38x = 43,436,224.51
  5. Step 5: Solve for x
    x = 43,436,224.51/7,090.38
  6. Step 6: Final answer
    x = 6,126.08

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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.