Home / 4,907.80-7,364.85-2,718.10

Finding the Fourth Proportional to 4,907.80, 7,364.85 and 2,718.10

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Solution

The fourth proportional to 4,907.80, 7,364.85 and 2,718.10 is: 4,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.80 : 7,364.85 = 2,718.10 : x
  2. Step 2: Convert to fraction form
    4,907.80/7,364.85 = 2,718.10/x
  3. Step 3: Cross multiply
    4,907.80x = 7,364.85 × 2,718.10
  4. Step 4: Simplify right side
    4,907.80x = 20,018,398.79
  5. Step 5: Solve for x
    x = 20,018,398.79/4,907.80
  6. Step 6: Final answer
    x = 4,078.89

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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.