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Finding the Fourth Proportional to 6,148.80, 8,484.64 and 3,495.68

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Solution

The fourth proportional to 6,148.80, 8,484.64 and 3,495.68 is: 4,823.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.80 : 8,484.64 = 3,495.68 : x
  2. Step 2: Convert to fraction form
    6,148.80/8,484.64 = 3,495.68/x
  3. Step 3: Cross multiply
    6,148.80x = 8,484.64 × 3,495.68
  4. Step 4: Simplify right side
    6,148.80x = 29,659,586.36
  5. Step 5: Solve for x
    x = 29,659,586.36/6,148.80
  6. Step 6: Final answer
    x = 4,823.64

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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.