Home / 5,587.04-8,380.58-1,889.30

Finding the Fourth Proportional to 5,587.04, 8,380.58 and 1,889.30

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Solution

The fourth proportional to 5,587.04, 8,380.58 and 1,889.30 is: 2,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.04 : 8,380.58 = 1,889.30 : x
  2. Step 2: Convert to fraction form
    5,587.04/8,380.58 = 1,889.30/x
  3. Step 3: Cross multiply
    5,587.04x = 8,380.58 × 1,889.30
  4. Step 4: Simplify right side
    5,587.04x = 15,833,429.79
  5. Step 5: Solve for x
    x = 15,833,429.79/5,587.04
  6. Step 6: Final answer
    x = 2,833.96

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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.