Home / 5,979.64-8,969.77-2,281.18

Finding the Fourth Proportional to 5,979.64, 8,969.77 and 2,281.18

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Solution

The fourth proportional to 5,979.64, 8,969.77 and 2,281.18 is: 3,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.64 : 8,969.77 = 2,281.18 : x
  2. Step 2: Convert to fraction form
    5,979.64/8,969.77 = 2,281.18/x
  3. Step 3: Cross multiply
    5,979.64x = 8,969.77 × 2,281.18
  4. Step 4: Simplify right side
    5,979.64x = 20,461,659.93
  5. Step 5: Solve for x
    x = 20,461,659.93/5,979.64
  6. Step 6: Final answer
    x = 3,421.89

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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.