Home / 7,038.76-10,559.70-2,108.84

Finding the Fourth Proportional to 7,038.76, 10,559.70 and 2,108.84

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Solution

The fourth proportional to 7,038.76, 10,559.70 and 2,108.84 is: 3,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.76 : 10,559.70 = 2,108.84 : x
  2. Step 2: Convert to fraction form
    7,038.76/10,559.70 = 2,108.84/x
  3. Step 3: Cross multiply
    7,038.76x = 10,559.70 × 2,108.84
  4. Step 4: Simplify right side
    7,038.76x = 22,268,717.75
  5. Step 5: Solve for x
    x = 22,268,717.75/7,038.76
  6. Step 6: Final answer
    x = 3,163.73

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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.