Home / 4,428.60-6,590.62-4,280.96

Finding the Fourth Proportional to 4,428.60, 6,590.62 and 4,280.96

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Solution

The fourth proportional to 4,428.60, 6,590.62 and 4,280.96 is: 6,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.60 : 6,590.62 = 4,280.96 : x
  2. Step 2: Convert to fraction form
    4,428.60/6,590.62 = 4,280.96/x
  3. Step 3: Cross multiply
    4,428.60x = 6,590.62 × 4,280.96
  4. Step 4: Simplify right side
    4,428.60x = 28,214,180.60
  5. Step 5: Solve for x
    x = 28,214,180.60/4,428.60
  6. Step 6: Final answer
    x = 6,370.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.