Home / 6,988.96-10,451.04-5,411.08

Finding the Fourth Proportional to 6,988.96, 10,451.04 and 5,411.08

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Solution

The fourth proportional to 6,988.96, 10,451.04 and 5,411.08 is: 8,091.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.96 : 10,451.04 = 5,411.08 : x
  2. Step 2: Convert to fraction form
    6,988.96/10,451.04 = 5,411.08/x
  3. Step 3: Cross multiply
    6,988.96x = 10,451.04 × 5,411.08
  4. Step 4: Simplify right side
    6,988.96x = 56,551,413.52
  5. Step 5: Solve for x
    x = 56,551,413.52/6,988.96
  6. Step 6: Final answer
    x = 8,091.53

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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.