Home / 5,470.55-8,205.81-1,574.94

Finding the Fourth Proportional to 5,470.55, 8,205.81 and 1,574.94

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Solution

The fourth proportional to 5,470.55, 8,205.81 and 1,574.94 is: 2,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.55 : 8,205.81 = 1,574.94 : x
  2. Step 2: Convert to fraction form
    5,470.55/8,205.81 = 1,574.94/x
  3. Step 3: Cross multiply
    5,470.55x = 8,205.81 × 1,574.94
  4. Step 4: Simplify right side
    5,470.55x = 12,923,658.40
  5. Step 5: Solve for x
    x = 12,923,658.40/5,470.55
  6. Step 6: Final answer
    x = 2,362.41

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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.