Home / 6,918.10-10,377.77-2,969.55

Finding the Fourth Proportional to 6,918.10, 10,377.77 and 2,969.55

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Solution

The fourth proportional to 6,918.10, 10,377.77 and 2,969.55 is: 4,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.10 : 10,377.77 = 2,969.55 : x
  2. Step 2: Convert to fraction form
    6,918.10/10,377.77 = 2,969.55/x
  3. Step 3: Cross multiply
    6,918.10x = 10,377.77 × 2,969.55
  4. Step 4: Simplify right side
    6,918.10x = 30,817,292.06
  5. Step 5: Solve for x
    x = 30,817,292.06/6,918.10
  6. Step 6: Final answer
    x = 4,454.59

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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.