Home / 6,990.04-10,476.96-3,289.96

Finding the Fourth Proportional to 6,990.04, 10,476.96 and 3,289.96

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Solution

The fourth proportional to 6,990.04, 10,476.96 and 3,289.96 is: 4,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.04 : 10,476.96 = 3,289.96 : x
  2. Step 2: Convert to fraction form
    6,990.04/10,476.96 = 3,289.96/x
  3. Step 3: Cross multiply
    6,990.04x = 10,476.96 × 3,289.96
  4. Step 4: Simplify right side
    6,990.04x = 34,468,779.32
  5. Step 5: Solve for x
    x = 34,468,779.32/6,990.04
  6. Step 6: Final answer
    x = 4,931.13

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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.