Home / 5,911.90-8,855.70-4,065.10

Finding the Fourth Proportional to 5,911.90, 8,855.70 and 4,065.10

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Solution

The fourth proportional to 5,911.90, 8,855.70 and 4,065.10 is: 6,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.90 : 8,855.70 = 4,065.10 : x
  2. Step 2: Convert to fraction form
    5,911.90/8,855.70 = 4,065.10/x
  3. Step 3: Cross multiply
    5,911.90x = 8,855.70 × 4,065.10
  4. Step 4: Simplify right side
    5,911.90x = 35,999,306.07
  5. Step 5: Solve for x
    x = 35,999,306.07/5,911.90
  6. Step 6: Final answer
    x = 6,089.30

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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.