Home / 4,380.62-6,570.23-1,259.91

Finding the Fourth Proportional to 4,380.62, 6,570.23 and 1,259.91

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Solution

The fourth proportional to 4,380.62, 6,570.23 and 1,259.91 is: 1,889.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.62 : 6,570.23 = 1,259.91 : x
  2. Step 2: Convert to fraction form
    4,380.62/6,570.23 = 1,259.91/x
  3. Step 3: Cross multiply
    4,380.62x = 6,570.23 × 1,259.91
  4. Step 4: Simplify right side
    4,380.62x = 8,277,892.18
  5. Step 5: Solve for x
    x = 8,277,892.18/4,380.62
  6. Step 6: Final answer
    x = 1,889.66

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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.