Home / 4,390.95-6,586.20-3,160.56

Finding the Fourth Proportional to 4,390.95, 6,586.20 and 3,160.56

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Solution

The fourth proportional to 4,390.95, 6,586.20 and 3,160.56 is: 4,740.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.95 : 6,586.20 = 3,160.56 : x
  2. Step 2: Convert to fraction form
    4,390.95/6,586.20 = 3,160.56/x
  3. Step 3: Cross multiply
    4,390.95x = 6,586.20 × 3,160.56
  4. Step 4: Simplify right side
    4,390.95x = 20,816,080.27
  5. Step 5: Solve for x
    x = 20,816,080.27/4,390.95
  6. Step 6: Final answer
    x = 4,740.68

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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.