Home / 5,587.55-8,380.81-1,889.81

Finding the Fourth Proportional to 5,587.55, 8,380.81 and 1,889.81

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Solution

The fourth proportional to 5,587.55, 8,380.81 and 1,889.81 is: 2,834.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.55 : 8,380.81 = 1,889.81 : x
  2. Step 2: Convert to fraction form
    5,587.55/8,380.81 = 1,889.81/x
  3. Step 3: Cross multiply
    5,587.55x = 8,380.81 × 1,889.81
  4. Step 4: Simplify right side
    5,587.55x = 15,838,087.19
  5. Step 5: Solve for x
    x = 15,838,087.19/5,587.55
  6. Step 6: Final answer
    x = 2,834.53

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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.