Home / 5,785.22-8,677.87-1,402.67

Finding the Fourth Proportional to 5,785.22, 8,677.87 and 1,402.67

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Solution

The fourth proportional to 5,785.22, 8,677.87 and 1,402.67 is: 2,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.22 : 8,677.87 = 1,402.67 : x
  2. Step 2: Convert to fraction form
    5,785.22/8,677.87 = 1,402.67/x
  3. Step 3: Cross multiply
    5,785.22x = 8,677.87 × 1,402.67
  4. Step 4: Simplify right side
    5,785.22x = 12,172,206.10
  5. Step 5: Solve for x
    x = 12,172,206.10/5,785.22
  6. Step 6: Final answer
    x = 2,104.02

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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.