Home / 4,280.30-6,421.30-2,089.08

Finding the Fourth Proportional to 4,280.30, 6,421.30 and 2,089.08

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Solution

The fourth proportional to 4,280.30, 6,421.30 and 2,089.08 is: 3,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.30 : 6,421.30 = 2,089.08 : x
  2. Step 2: Convert to fraction form
    4,280.30/6,421.30 = 2,089.08/x
  3. Step 3: Cross multiply
    4,280.30x = 6,421.30 × 2,089.08
  4. Step 4: Simplify right side
    4,280.30x = 13,414,609.40
  5. Step 5: Solve for x
    x = 13,414,609.40/4,280.30
  6. Step 6: Final answer
    x = 3,134.03

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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.