Home / 4,271.28-5,899.60-3,090.48

Finding the Fourth Proportional to 4,271.28, 5,899.60 and 3,090.48

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Solution

The fourth proportional to 4,271.28, 5,899.60 and 3,090.48 is: 4,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.28 : 5,899.60 = 3,090.48 : x
  2. Step 2: Convert to fraction form
    4,271.28/5,899.60 = 3,090.48/x
  3. Step 3: Cross multiply
    4,271.28x = 5,899.60 × 3,090.48
  4. Step 4: Simplify right side
    4,271.28x = 18,232,595.81
  5. Step 5: Solve for x
    x = 18,232,595.81/4,271.28
  6. Step 6: Final answer
    x = 4,268.65

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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.