Home / 5,912.40-8,856.45-4,065.60

Finding the Fourth Proportional to 5,912.40, 8,856.45 and 4,065.60

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Solution

The fourth proportional to 5,912.40, 8,856.45 and 4,065.60 is: 6,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.40 : 8,856.45 = 4,065.60 : x
  2. Step 2: Convert to fraction form
    5,912.40/8,856.45 = 4,065.60/x
  3. Step 3: Cross multiply
    5,912.40x = 8,856.45 × 4,065.60
  4. Step 4: Simplify right side
    5,912.40x = 36,006,783.12
  5. Step 5: Solve for x
    x = 36,006,783.12/5,912.40
  6. Step 6: Final answer
    x = 6,090.05

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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.