Home / 4,187.81-6,280.10-1,413.74

Finding the Fourth Proportional to 4,187.81, 6,280.10 and 1,413.74

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Solution

The fourth proportional to 4,187.81, 6,280.10 and 1,413.74 is: 2,120.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.81 : 6,280.10 = 1,413.74 : x
  2. Step 2: Convert to fraction form
    4,187.81/6,280.10 = 1,413.74/x
  3. Step 3: Cross multiply
    4,187.81x = 6,280.10 × 1,413.74
  4. Step 4: Simplify right side
    4,187.81x = 8,878,428.57
  5. Step 5: Solve for x
    x = 8,878,428.57/4,187.81
  6. Step 6: Final answer
    x = 2,120.06

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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.