Home / 7,090.28-9,784.42-4,439.15

Finding the Fourth Proportional to 7,090.28, 9,784.42 and 4,439.15

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Solution

The fourth proportional to 7,090.28, 9,784.42 and 4,439.15 is: 6,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.28 : 9,784.42 = 4,439.15 : x
  2. Step 2: Convert to fraction form
    7,090.28/9,784.42 = 4,439.15/x
  3. Step 3: Cross multiply
    7,090.28x = 9,784.42 × 4,439.15
  4. Step 4: Simplify right side
    7,090.28x = 43,434,448.02
  5. Step 5: Solve for x
    x = 43,434,448.02/7,090.28
  6. Step 6: Final answer
    x = 6,125.92

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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.