Home / 6,870.88-10,305.91-4,238.89

Finding the Fourth Proportional to 6,870.88, 10,305.91 and 4,238.89

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Solution

The fourth proportional to 6,870.88, 10,305.91 and 4,238.89 is: 6,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.88 : 10,305.91 = 4,238.89 : x
  2. Step 2: Convert to fraction form
    6,870.88/10,305.91 = 4,238.89/x
  3. Step 3: Cross multiply
    6,870.88x = 10,305.91 × 4,238.89
  4. Step 4: Simplify right side
    6,870.88x = 43,685,618.84
  5. Step 5: Solve for x
    x = 43,685,618.84/6,870.88
  6. Step 6: Final answer
    x = 6,358.08

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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.