Home / 4,847.46-7,271.79-4,772.40

Finding the Fourth Proportional to 4,847.46, 7,271.79 and 4,772.40

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Solution

The fourth proportional to 4,847.46, 7,271.79 and 4,772.40 is: 7,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.46 : 7,271.79 = 4,772.40 : x
  2. Step 2: Convert to fraction form
    4,847.46/7,271.79 = 4,772.40/x
  3. Step 3: Cross multiply
    4,847.46x = 7,271.79 × 4,772.40
  4. Step 4: Simplify right side
    4,847.46x = 34,703,890.60
  5. Step 5: Solve for x
    x = 34,703,890.60/4,847.46
  6. Step 6: Final answer
    x = 7,159.19

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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.