Home / 9,185.15-12,675.52-4,993.40

Finding the Fourth Proportional to 9,185.15, 12,675.52 and 4,993.40

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Solution

The fourth proportional to 9,185.15, 12,675.52 and 4,993.40 is: 6,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.15 : 12,675.52 = 4,993.40 : x
  2. Step 2: Convert to fraction form
    9,185.15/12,675.52 = 4,993.40/x
  3. Step 3: Cross multiply
    9,185.15x = 12,675.52 × 4,993.40
  4. Step 4: Simplify right side
    9,185.15x = 63,293,979.50
  5. Step 5: Solve for x
    x = 63,293,979.50/9,185.15
  6. Step 6: Final answer
    x = 6,890.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.