Home / 4,680.60-7,000.65-4,190.55

Finding the Fourth Proportional to 4,680.60, 7,000.65 and 4,190.55

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Solution

The fourth proportional to 4,680.60, 7,000.65 and 4,190.55 is: 6,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.60 : 7,000.65 = 4,190.55 : x
  2. Step 2: Convert to fraction form
    4,680.60/7,000.65 = 4,190.55/x
  3. Step 3: Cross multiply
    4,680.60x = 7,000.65 × 4,190.55
  4. Step 4: Simplify right side
    4,680.60x = 29,336,573.86
  5. Step 5: Solve for x
    x = 29,336,573.86/4,680.60
  6. Step 6: Final answer
    x = 6,267.70

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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.