Home / 4,977.20-7,465.80-4,175.30

Finding the Fourth Proportional to 4,977.20, 7,465.80 and 4,175.30

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Solution

The fourth proportional to 4,977.20, 7,465.80 and 4,175.30 is: 6,262.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.20 : 7,465.80 = 4,175.30 : x
  2. Step 2: Convert to fraction form
    4,977.20/7,465.80 = 4,175.30/x
  3. Step 3: Cross multiply
    4,977.20x = 7,465.80 × 4,175.30
  4. Step 4: Simplify right side
    4,977.20x = 31,171,954.74
  5. Step 5: Solve for x
    x = 31,171,954.74/4,977.20
  6. Step 6: Final answer
    x = 6,262.95

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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.