Home / 5,421.76-8,132.88-2,298.64

Finding the Fourth Proportional to 5,421.76, 8,132.88 and 2,298.64

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Solution

The fourth proportional to 5,421.76, 8,132.88 and 2,298.64 is: 3,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.76 : 8,132.88 = 2,298.64 : x
  2. Step 2: Convert to fraction form
    5,421.76/8,132.88 = 2,298.64/x
  3. Step 3: Cross multiply
    5,421.76x = 8,132.88 × 2,298.64
  4. Step 4: Simplify right side
    5,421.76x = 18,694,563.28
  5. Step 5: Solve for x
    x = 18,694,563.28/5,421.76
  6. Step 6: Final answer
    x = 3,448.06

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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.