Home / 6,918.30-9,547.23-3,774.49

Finding the Fourth Proportional to 6,918.30, 9,547.23 and 3,774.49

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Solution

The fourth proportional to 6,918.30, 9,547.23 and 3,774.49 is: 5,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.30 : 9,547.23 = 3,774.49 : x
  2. Step 2: Convert to fraction form
    6,918.30/9,547.23 = 3,774.49/x
  3. Step 3: Cross multiply
    6,918.30x = 9,547.23 × 3,774.49
  4. Step 4: Simplify right side
    6,918.30x = 36,035,924.16
  5. Step 5: Solve for x
    x = 36,035,924.16/6,918.30
  6. Step 6: Final answer
    x = 5,208.78

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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.