Home / 4,590.34-6,890.63-4,289.18

Finding the Fourth Proportional to 4,590.34, 6,890.63 and 4,289.18

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Solution

The fourth proportional to 4,590.34, 6,890.63 and 4,289.18 is: 6,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.34 : 6,890.63 = 4,289.18 : x
  2. Step 2: Convert to fraction form
    4,590.34/6,890.63 = 4,289.18/x
  3. Step 3: Cross multiply
    4,590.34x = 6,890.63 × 4,289.18
  4. Step 4: Simplify right side
    4,590.34x = 29,555,096.48
  5. Step 5: Solve for x
    x = 29,555,096.48/4,590.34
  6. Step 6: Final answer
    x = 6,438.55

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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.