Home / 5,684.81-8,528.58-1,789.20

Finding the Fourth Proportional to 5,684.81, 8,528.58 and 1,789.20

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Solution

The fourth proportional to 5,684.81, 8,528.58 and 1,789.20 is: 2,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,684.81 : 8,528.58 = 1,789.20 : x
  2. Step 2: Convert to fraction form
    5,684.81/8,528.58 = 1,789.20/x
  3. Step 3: Cross multiply
    5,684.81x = 8,528.58 × 1,789.20
  4. Step 4: Simplify right side
    5,684.81x = 15,259,335.34
  5. Step 5: Solve for x
    x = 15,259,335.34/5,684.81
  6. Step 6: Final answer
    x = 2,684.23

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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.