Home / 6,864.29-10,288.89-4,491.39

Finding the Fourth Proportional to 6,864.29, 10,288.89 and 4,491.39

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Solution

The fourth proportional to 6,864.29, 10,288.89 and 4,491.39 is: 6,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.29 : 10,288.89 = 4,491.39 : x
  2. Step 2: Convert to fraction form
    6,864.29/10,288.89 = 4,491.39/x
  3. Step 3: Cross multiply
    6,864.29x = 10,288.89 × 4,491.39
  4. Step 4: Simplify right side
    6,864.29x = 46,211,430.06
  5. Step 5: Solve for x
    x = 46,211,430.06/6,864.29
  6. Step 6: Final answer
    x = 6,732.15

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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.