Home / 8,223.04-11,347.32-4,686.58

Finding the Fourth Proportional to 8,223.04, 11,347.32 and 4,686.58

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Solution

The fourth proportional to 8,223.04, 11,347.32 and 4,686.58 is: 6,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.04 : 11,347.32 = 4,686.58 : x
  2. Step 2: Convert to fraction form
    8,223.04/11,347.32 = 4,686.58/x
  3. Step 3: Cross multiply
    8,223.04x = 11,347.32 × 4,686.58
  4. Step 4: Simplify right side
    8,223.04x = 53,180,122.97
  5. Step 5: Solve for x
    x = 53,180,122.97/8,223.04
  6. Step 6: Final answer
    x = 6,467.21

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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.