Home / 6,918.44-9,547.55-3,774.63

Finding the Fourth Proportional to 6,918.44, 9,547.55 and 3,774.63

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Solution

The fourth proportional to 6,918.44, 9,547.55 and 3,774.63 is: 5,209.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.44 : 9,547.55 = 3,774.63 : x
  2. Step 2: Convert to fraction form
    6,918.44/9,547.55 = 3,774.63/x
  3. Step 3: Cross multiply
    6,918.44x = 9,547.55 × 3,774.63
  4. Step 4: Simplify right side
    6,918.44x = 36,038,467.27
  5. Step 5: Solve for x
    x = 36,038,467.27/6,918.44
  6. Step 6: Final answer
    x = 5,209.04

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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.