Home / 6,870.45-10,301.55-2,188.44

Finding the Fourth Proportional to 6,870.45, 10,301.55 and 2,188.44

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Solution

The fourth proportional to 6,870.45, 10,301.55 and 2,188.44 is: 3,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.45 : 10,301.55 = 2,188.44 : x
  2. Step 2: Convert to fraction form
    6,870.45/10,301.55 = 2,188.44/x
  3. Step 3: Cross multiply
    6,870.45x = 10,301.55 × 2,188.44
  4. Step 4: Simplify right side
    6,870.45x = 22,544,324.08
  5. Step 5: Solve for x
    x = 22,544,324.08/6,870.45
  6. Step 6: Final answer
    x = 3,281.35

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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.