Home / 8,389.06-11,576.32-5,030.19

Finding the Fourth Proportional to 8,389.06, 11,576.32 and 5,030.19

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Solution

The fourth proportional to 8,389.06, 11,576.32 and 5,030.19 is: 6,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.06 : 11,576.32 = 5,030.19 : x
  2. Step 2: Convert to fraction form
    8,389.06/11,576.32 = 5,030.19/x
  3. Step 3: Cross multiply
    8,389.06x = 11,576.32 × 5,030.19
  4. Step 4: Simplify right side
    8,389.06x = 58,231,076.53
  5. Step 5: Solve for x
    x = 58,231,076.53/8,389.06
  6. Step 6: Final answer
    x = 6,941.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.