Home / 8,339.14-11,506.21-5,315.41

Finding the Fourth Proportional to 8,339.14, 11,506.21 and 5,315.41

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Solution

The fourth proportional to 8,339.14, 11,506.21 and 5,315.41 is: 7,334.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.14 : 11,506.21 = 5,315.41 : x
  2. Step 2: Convert to fraction form
    8,339.14/11,506.21 = 5,315.41/x
  3. Step 3: Cross multiply
    8,339.14x = 11,506.21 × 5,315.41
  4. Step 4: Simplify right side
    8,339.14x = 61,160,223.70
  5. Step 5: Solve for x
    x = 61,160,223.70/8,339.14
  6. Step 6: Final answer
    x = 7,334.12

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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.