Home / 6,416.20-8,856.30-4,059.10

Finding the Fourth Proportional to 6,416.20, 8,856.30 and 4,059.10

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Solution

The fourth proportional to 6,416.20, 8,856.30 and 4,059.10 is: 5,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416.20 : 8,856.30 = 4,059.10 : x
  2. Step 2: Convert to fraction form
    6,416.20/8,856.30 = 4,059.10/x
  3. Step 3: Cross multiply
    6,416.20x = 8,856.30 × 4,059.10
  4. Step 4: Simplify right side
    6,416.20x = 35,948,607.33
  5. Step 5: Solve for x
    x = 35,948,607.33/6,416.20
  6. Step 6: Final answer
    x = 5,602.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.