Home / 6,918.12-9,547.02-3,774.30

Finding the Fourth Proportional to 6,918.12, 9,547.02 and 3,774.30

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Solution

The fourth proportional to 6,918.12, 9,547.02 and 3,774.30 is: 5,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.12 : 9,547.02 = 3,774.30 : x
  2. Step 2: Convert to fraction form
    6,918.12/9,547.02 = 3,774.30/x
  3. Step 3: Cross multiply
    6,918.12x = 9,547.02 × 3,774.30
  4. Step 4: Simplify right side
    6,918.12x = 36,033,317.59
  5. Step 5: Solve for x
    x = 36,033,317.59/6,918.12
  6. Step 6: Final answer
    x = 5,208.54

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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.