Home / 6,627.55-9,938.90-1,946.36

Finding the Fourth Proportional to 6,627.55, 9,938.90 and 1,946.36

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Solution

The fourth proportional to 6,627.55, 9,938.90 and 1,946.36 is: 2,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.55 : 9,938.90 = 1,946.36 : x
  2. Step 2: Convert to fraction form
    6,627.55/9,938.90 = 1,946.36/x
  3. Step 3: Cross multiply
    6,627.55x = 9,938.90 × 1,946.36
  4. Step 4: Simplify right side
    6,627.55x = 19,344,667.67
  5. Step 5: Solve for x
    x = 19,344,667.67/6,627.55
  6. Step 6: Final answer
    x = 2,918.83

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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.