Home / 6,890.08-10,336.45-2,941.28

Finding the Fourth Proportional to 6,890.08, 10,336.45 and 2,941.28

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Solution

The fourth proportional to 6,890.08, 10,336.45 and 2,941.28 is: 4,412.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.08 : 10,336.45 = 2,941.28 : x
  2. Step 2: Convert to fraction form
    6,890.08/10,336.45 = 2,941.28/x
  3. Step 3: Cross multiply
    6,890.08x = 10,336.45 × 2,941.28
  4. Step 4: Simplify right side
    6,890.08x = 30,402,393.66
  5. Step 5: Solve for x
    x = 30,402,393.66/6,890.08
  6. Step 6: Final answer
    x = 4,412.49

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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.