Home / 6,899.21-10,345.74-1,967.70

Finding the Fourth Proportional to 6,899.21, 10,345.74 and 1,967.70

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Solution

The fourth proportional to 6,899.21, 10,345.74 and 1,967.70 is: 2,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.21 : 10,345.74 = 1,967.70 : x
  2. Step 2: Convert to fraction form
    6,899.21/10,345.74 = 1,967.70/x
  3. Step 3: Cross multiply
    6,899.21x = 10,345.74 × 1,967.70
  4. Step 4: Simplify right side
    6,899.21x = 20,357,267.79
  5. Step 5: Solve for x
    x = 20,357,267.79/6,899.21
  6. Step 6: Final answer
    x = 2,950.67

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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.