Home / 4,210.60-6,306.30-2,655.40

Finding the Fourth Proportional to 4,210.60, 6,306.30 and 2,655.40

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Solution

The fourth proportional to 4,210.60, 6,306.30 and 2,655.40 is: 3,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.60 : 6,306.30 = 2,655.40 : x
  2. Step 2: Convert to fraction form
    4,210.60/6,306.30 = 2,655.40/x
  3. Step 3: Cross multiply
    4,210.60x = 6,306.30 × 2,655.40
  4. Step 4: Simplify right side
    4,210.60x = 16,745,749.02
  5. Step 5: Solve for x
    x = 16,745,749.02/4,210.60
  6. Step 6: Final answer
    x = 3,977.05

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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.