Home / 6,970.50-9,619.29-3,826.89

Finding the Fourth Proportional to 6,970.50, 9,619.29 and 3,826.89

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Solution

The fourth proportional to 6,970.50, 9,619.29 and 3,826.89 is: 5,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970.50 : 9,619.29 = 3,826.89 : x
  2. Step 2: Convert to fraction form
    6,970.50/9,619.29 = 3,826.89/x
  3. Step 3: Cross multiply
    6,970.50x = 9,619.29 × 3,826.89
  4. Step 4: Simplify right side
    6,970.50x = 36,811,964.71
  5. Step 5: Solve for x
    x = 36,811,964.71/6,970.50
  6. Step 6: Final answer
    x = 5,281.11

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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.