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Finding the Fourth Proportional to 6,712.68, 9,263.58 and 4,059.60

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Solution

The fourth proportional to 6,712.68, 9,263.58 and 4,059.60 is: 5,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.68 : 9,263.58 = 4,059.60 : x
  2. Step 2: Convert to fraction form
    6,712.68/9,263.58 = 4,059.60/x
  3. Step 3: Cross multiply
    6,712.68x = 9,263.58 × 4,059.60
  4. Step 4: Simplify right side
    6,712.68x = 37,606,429.37
  5. Step 5: Solve for x
    x = 37,606,429.37/6,712.68
  6. Step 6: Final answer
    x = 5,602.30

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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.