Home / 4,680.61-7,020.45-1,217.86

Finding the Fourth Proportional to 4,680.61, 7,020.45 and 1,217.86

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Solution

The fourth proportional to 4,680.61, 7,020.45 and 1,217.86 is: 1,826.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.61 : 7,020.45 = 1,217.86 : x
  2. Step 2: Convert to fraction form
    4,680.61/7,020.45 = 1,217.86/x
  3. Step 3: Cross multiply
    4,680.61x = 7,020.45 × 1,217.86
  4. Step 4: Simplify right side
    4,680.61x = 8,549,925.24
  5. Step 5: Solve for x
    x = 8,549,925.24/4,680.61
  6. Step 6: Final answer
    x = 1,826.67

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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.