Home / 4,897.20-6,758.98-2,907.84

Finding the Fourth Proportional to 4,897.20, 6,758.98 and 2,907.84

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Solution

The fourth proportional to 4,897.20, 6,758.98 and 2,907.84 is: 4,013.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,897.20 : 6,758.98 = 2,907.84 : x
  2. Step 2: Convert to fraction form
    4,897.20/6,758.98 = 2,907.84/x
  3. Step 3: Cross multiply
    4,897.20x = 6,758.98 × 2,907.84
  4. Step 4: Simplify right side
    4,897.20x = 19,654,032.40
  5. Step 5: Solve for x
    x = 19,654,032.40/4,897.20
  6. Step 6: Final answer
    x = 4,013.32

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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.