Home / 5,402.22-8,090.88-4,643.20

Finding the Fourth Proportional to 5,402.22, 8,090.88 and 4,643.20

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Solution

The fourth proportional to 5,402.22, 8,090.88 and 4,643.20 is: 6,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.22 : 8,090.88 = 4,643.20 : x
  2. Step 2: Convert to fraction form
    5,402.22/8,090.88 = 4,643.20/x
  3. Step 3: Cross multiply
    5,402.22x = 8,090.88 × 4,643.20
  4. Step 4: Simplify right side
    5,402.22x = 37,567,574.02
  5. Step 5: Solve for x
    x = 37,567,574.02/5,402.22
  6. Step 6: Final answer
    x = 6,954.10

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1.5x scale

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.