Home / 5,485.17-8,228.81-2,853.93

Finding the Fourth Proportional to 5,485.17, 8,228.81 and 2,853.93

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Solution

The fourth proportional to 5,485.17, 8,228.81 and 2,853.93 is: 4,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.17 : 8,228.81 = 2,853.93 : x
  2. Step 2: Convert to fraction form
    5,485.17/8,228.81 = 2,853.93/x
  3. Step 3: Cross multiply
    5,485.17x = 8,228.81 × 2,853.93
  4. Step 4: Simplify right side
    5,485.17x = 23,484,433.45
  5. Step 5: Solve for x
    x = 23,484,433.45/5,485.17
  6. Step 6: Final answer
    x = 4,281.44

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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.