Home / 4,749.49-7,130.40-3,654.64

Finding the Fourth Proportional to 4,749.49, 7,130.40 and 3,654.64

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Solution

The fourth proportional to 4,749.49, 7,130.40 and 3,654.64 is: 5,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.49 : 7,130.40 = 3,654.64 : x
  2. Step 2: Convert to fraction form
    4,749.49/7,130.40 = 3,654.64/x
  3. Step 3: Cross multiply
    4,749.49x = 7,130.40 × 3,654.64
  4. Step 4: Simplify right side
    4,749.49x = 26,059,045.06
  5. Step 5: Solve for x
    x = 26,059,045.06/4,749.49
  6. Step 6: Final answer
    x = 5,486.70

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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.