Home / 6,277.80-9,416.70-3,167.40

Finding the Fourth Proportional to 6,277.80, 9,416.70 and 3,167.40

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Solution

The fourth proportional to 6,277.80, 9,416.70 and 3,167.40 is: 4,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.80 : 9,416.70 = 3,167.40 : x
  2. Step 2: Convert to fraction form
    6,277.80/9,416.70 = 3,167.40/x
  3. Step 3: Cross multiply
    6,277.80x = 9,416.70 × 3,167.40
  4. Step 4: Simplify right side
    6,277.80x = 29,826,455.58
  5. Step 5: Solve for x
    x = 29,826,455.58/6,277.80
  6. Step 6: Final answer
    x = 4,751.10

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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.