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Finding the Fourth Proportional to 9,579.01, 14,372.08 and 4,312.44

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Solution

The fourth proportional to 9,579.01, 14,372.08 and 4,312.44 is: 6,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.01 : 14,372.08 = 4,312.44 : x
  2. Step 2: Convert to fraction form
    9,579.01/14,372.08 = 4,312.44/x
  3. Step 3: Cross multiply
    9,579.01x = 14,372.08 × 4,312.44
  4. Step 4: Simplify right side
    9,579.01x = 61,978,746.15
  5. Step 5: Solve for x
    x = 61,978,746.15/9,579.01
  6. Step 6: Final answer
    x = 6,470.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.