Home / 6,900.95-10,351.77-1,971.32

Finding the Fourth Proportional to 6,900.95, 10,351.77 and 1,971.32

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Solution

The fourth proportional to 6,900.95, 10,351.77 and 1,971.32 is: 2,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.95 : 10,351.77 = 1,971.32 : x
  2. Step 2: Convert to fraction form
    6,900.95/10,351.77 = 1,971.32/x
  3. Step 3: Cross multiply
    6,900.95x = 10,351.77 × 1,971.32
  4. Step 4: Simplify right side
    6,900.95x = 20,406,661.40
  5. Step 5: Solve for x
    x = 20,406,661.40/6,900.95
  6. Step 6: Final answer
    x = 2,957.08

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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.