Home / 7,681.23-10,577.79-6,672.48

Finding the Fourth Proportional to 7,681.23, 10,577.79 and 6,672.48

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Solution

The fourth proportional to 7,681.23, 10,577.79 and 6,672.48 is: 9,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.23 : 10,577.79 = 6,672.48 : x
  2. Step 2: Convert to fraction form
    7,681.23/10,577.79 = 6,672.48/x
  3. Step 3: Cross multiply
    7,681.23x = 10,577.79 × 6,672.48
  4. Step 4: Simplify right side
    7,681.23x = 70,580,052.55
  5. Step 5: Solve for x
    x = 70,580,052.55/7,681.23
  6. Step 6: Final answer
    x = 9,188.64

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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.