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Finding the Fourth Proportional to 6,660.39, 9,968.63 and 5,931.39

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Solution

The fourth proportional to 6,660.39, 9,968.63 and 5,931.39 is: 8,877.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.39 : 9,968.63 = 5,931.39 : x
  2. Step 2: Convert to fraction form
    6,660.39/9,968.63 = 5,931.39/x
  3. Step 3: Cross multiply
    6,660.39x = 9,968.63 × 5,931.39
  4. Step 4: Simplify right side
    6,660.39x = 59,127,802.64
  5. Step 5: Solve for x
    x = 59,127,802.64/6,660.39
  6. Step 6: Final answer
    x = 8,877.53

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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.