Home / 6,918.96-9,547.86-3,935.04

Finding the Fourth Proportional to 6,918.96, 9,547.86 and 3,935.04

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Solution

The fourth proportional to 6,918.96, 9,547.86 and 3,935.04 is: 5,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.96 : 9,547.86 = 3,935.04 : x
  2. Step 2: Convert to fraction form
    6,918.96/9,547.86 = 3,935.04/x
  3. Step 3: Cross multiply
    6,918.96x = 9,547.86 × 3,935.04
  4. Step 4: Simplify right side
    6,918.96x = 37,571,211.01
  5. Step 5: Solve for x
    x = 37,571,211.01/6,918.96
  6. Step 6: Final answer
    x = 5,430.18

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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.