Home / 6,198.90-8,560.98-4,870.50

Finding the Fourth Proportional to 6,198.90, 8,560.98 and 4,870.50

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Solution

The fourth proportional to 6,198.90, 8,560.98 and 4,870.50 is: 6,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,198.90 : 8,560.98 = 4,870.50 : x
  2. Step 2: Convert to fraction form
    6,198.90/8,560.98 = 4,870.50/x
  3. Step 3: Cross multiply
    6,198.90x = 8,560.98 × 4,870.50
  4. Step 4: Simplify right side
    6,198.90x = 41,696,253.09
  5. Step 5: Solve for x
    x = 41,696,253.09/6,198.90
  6. Step 6: Final answer
    x = 6,726.40

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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.