Home / 4,860.25-6,706.87-2,870.35

Finding the Fourth Proportional to 4,860.25, 6,706.87 and 2,870.35

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Solution

The fourth proportional to 4,860.25, 6,706.87 and 2,870.35 is: 3,960.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.25 : 6,706.87 = 2,870.35 : x
  2. Step 2: Convert to fraction form
    4,860.25/6,706.87 = 2,870.35/x
  3. Step 3: Cross multiply
    4,860.25x = 6,706.87 × 2,870.35
  4. Step 4: Simplify right side
    4,860.25x = 19,251,064.30
  5. Step 5: Solve for x
    x = 19,251,064.30/4,860.25
  6. Step 6: Final answer
    x = 3,960.92

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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.