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Finding the Fourth Proportional to 4,197.80, 6,303.90 and 2,973.80

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Solution

The fourth proportional to 4,197.80, 6,303.90 and 2,973.80 is: 4,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,197.80 : 6,303.90 = 2,973.80 : x
  2. Step 2: Convert to fraction form
    4,197.80/6,303.90 = 2,973.80/x
  3. Step 3: Cross multiply
    4,197.80x = 6,303.90 × 2,973.80
  4. Step 4: Simplify right side
    4,197.80x = 18,746,537.82
  5. Step 5: Solve for x
    x = 18,746,537.82/4,197.80
  6. Step 6: Final answer
    x = 4,465.80

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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.