Home / 8,579.72-11,838.35-4,802.90

Finding the Fourth Proportional to 8,579.72, 11,838.35 and 4,802.90

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Solution

The fourth proportional to 8,579.72, 11,838.35 and 4,802.90 is: 6,627.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.72 : 11,838.35 = 4,802.90 : x
  2. Step 2: Convert to fraction form
    8,579.72/11,838.35 = 4,802.90/x
  3. Step 3: Cross multiply
    8,579.72x = 11,838.35 × 4,802.90
  4. Step 4: Simplify right side
    8,579.72x = 56,858,364.03
  5. Step 5: Solve for x
    x = 56,858,364.03/8,579.72
  6. Step 6: Final answer
    x = 6,627.06

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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.