Home / 8,490.08-11,725.20-5,844.32

Finding the Fourth Proportional to 8,490.08, 11,725.20 and 5,844.32

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Solution

The fourth proportional to 8,490.08, 11,725.20 and 5,844.32 is: 8,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490.08 : 11,725.20 = 5,844.32 : x
  2. Step 2: Convert to fraction form
    8,490.08/11,725.20 = 5,844.32/x
  3. Step 3: Cross multiply
    8,490.08x = 11,725.20 × 5,844.32
  4. Step 4: Simplify right side
    8,490.08x = 68,525,820.86
  5. Step 5: Solve for x
    x = 68,525,820.86/8,490.08
  6. Step 6: Final answer
    x = 8,071.28

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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.