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Finding the Fourth Proportional to 4,897.40, 7,346.08 and 4,029.88

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Solution

The fourth proportional to 4,897.40, 7,346.08 and 4,029.88 is: 6,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,897.40 : 7,346.08 = 4,029.88 : x
  2. Step 2: Convert to fraction form
    4,897.40/7,346.08 = 4,029.88/x
  3. Step 3: Cross multiply
    4,897.40x = 7,346.08 × 4,029.88
  4. Step 4: Simplify right side
    4,897.40x = 29,603,820.87
  5. Step 5: Solve for x
    x = 29,603,820.87/4,897.40
  6. Step 6: Final answer
    x = 6,044.80

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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.