Home / 5,853.40-8,782.68-3,079.45

Finding the Fourth Proportional to 5,853.40, 8,782.68 and 3,079.45

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Solution

The fourth proportional to 5,853.40, 8,782.68 and 3,079.45 is: 4,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.40 : 8,782.68 = 3,079.45 : x
  2. Step 2: Convert to fraction form
    5,853.40/8,782.68 = 3,079.45/x
  3. Step 3: Cross multiply
    5,853.40x = 8,782.68 × 3,079.45
  4. Step 4: Simplify right side
    5,853.40x = 27,045,780.01
  5. Step 5: Solve for x
    x = 27,045,780.01/5,853.40
  6. Step 6: Final answer
    x = 4,620.53

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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.