Home / 4,914.55-6,784.40-2,897.35

Finding the Fourth Proportional to 4,914.55, 6,784.40 and 2,897.35

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Solution

The fourth proportional to 4,914.55, 6,784.40 and 2,897.35 is: 3,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.55 : 6,784.40 = 2,897.35 : x
  2. Step 2: Convert to fraction form
    4,914.55/6,784.40 = 2,897.35/x
  3. Step 3: Cross multiply
    4,914.55x = 6,784.40 × 2,897.35
  4. Step 4: Simplify right side
    4,914.55x = 19,656,749.89
  5. Step 5: Solve for x
    x = 19,656,749.89/4,914.55
  6. Step 6: Final answer
    x = 3,999.71

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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.