Home / 4,306.96-6,461.25-2,115.10

Finding the Fourth Proportional to 4,306.96, 6,461.25 and 2,115.10

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Solution

The fourth proportional to 4,306.96, 6,461.25 and 2,115.10 is: 3,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,306.96 : 6,461.25 = 2,115.10 : x
  2. Step 2: Convert to fraction form
    4,306.96/6,461.25 = 2,115.10/x
  3. Step 3: Cross multiply
    4,306.96x = 6,461.25 × 2,115.10
  4. Step 4: Simplify right side
    4,306.96x = 13,666,189.88
  5. Step 5: Solve for x
    x = 13,666,189.88/4,306.96
  6. Step 6: Final answer
    x = 3,173.05

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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.