Home / 4,390.20-6,586.20-1,470.60

Finding the Fourth Proportional to 4,390.20, 6,586.20 and 1,470.60

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Solution

The fourth proportional to 4,390.20, 6,586.20 and 1,470.60 is: 2,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.20 : 6,586.20 = 1,470.60 : x
  2. Step 2: Convert to fraction form
    4,390.20/6,586.20 = 1,470.60/x
  3. Step 3: Cross multiply
    4,390.20x = 6,586.20 × 1,470.60
  4. Step 4: Simplify right side
    4,390.20x = 9,685,665.72
  5. Step 5: Solve for x
    x = 9,685,665.72/4,390.20
  6. Step 6: Final answer
    x = 2,206.20

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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.