Home / 7,610.46-11,389.74-6,379.26

Finding the Fourth Proportional to 7,610.46, 11,389.74 and 6,379.26

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Solution

The fourth proportional to 7,610.46, 11,389.74 and 6,379.26 is: 9,547.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610.46 : 11,389.74 = 6,379.26 : x
  2. Step 2: Convert to fraction form
    7,610.46/11,389.74 = 6,379.26/x
  3. Step 3: Cross multiply
    7,610.46x = 11,389.74 × 6,379.26
  4. Step 4: Simplify right side
    7,610.46x = 72,658,112.79
  5. Step 5: Solve for x
    x = 72,658,112.79/7,610.46
  6. Step 6: Final answer
    x = 9,547.14

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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.