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Finding the Fourth Proportional to 4,458.60, 6,675.10 and 4,330.60

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Solution

The fourth proportional to 4,458.60, 6,675.10 and 4,330.60 is: 6,483.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.60 : 6,675.10 = 4,330.60 : x
  2. Step 2: Convert to fraction form
    4,458.60/6,675.10 = 4,330.60/x
  3. Step 3: Cross multiply
    4,458.60x = 6,675.10 × 4,330.60
  4. Step 4: Simplify right side
    4,458.60x = 28,907,188.06
  5. Step 5: Solve for x
    x = 28,907,188.06/4,458.60
  6. Step 6: Final answer
    x = 6,483.47

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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.