Home / 5,715.83-8,574.77-2,020.20

Finding the Fourth Proportional to 5,715.83, 8,574.77 and 2,020.20

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Solution

The fourth proportional to 5,715.83, 8,574.77 and 2,020.20 is: 3,030.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.83 : 8,574.77 = 2,020.20 : x
  2. Step 2: Convert to fraction form
    5,715.83/8,574.77 = 2,020.20/x
  3. Step 3: Cross multiply
    5,715.83x = 8,574.77 × 2,020.20
  4. Step 4: Simplify right side
    5,715.83x = 17,322,761.69
  5. Step 5: Solve for x
    x = 17,322,761.69/5,715.83
  6. Step 6: Final answer
    x = 3,030.67

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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.