Home / 6,929.07-10,381.29-3,967.40

Finding the Fourth Proportional to 6,929.07, 10,381.29 and 3,967.40

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Solution

The fourth proportional to 6,929.07, 10,381.29 and 3,967.40 is: 5,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.07 : 10,381.29 = 3,967.40 : x
  2. Step 2: Convert to fraction form
    6,929.07/10,381.29 = 3,967.40/x
  3. Step 3: Cross multiply
    6,929.07x = 10,381.29 × 3,967.40
  4. Step 4: Simplify right side
    6,929.07x = 41,186,678.04
  5. Step 5: Solve for x
    x = 41,186,678.04/6,929.07
  6. Step 6: Final answer
    x = 5,944.04

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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.