Home / 7,549.72-10,405.66-6,497.56

Finding the Fourth Proportional to 7,549.72, 10,405.66 and 6,497.56

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Solution

The fourth proportional to 7,549.72, 10,405.66 and 6,497.56 is: 8,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.72 : 10,405.66 = 6,497.56 : x
  2. Step 2: Convert to fraction form
    7,549.72/10,405.66 = 6,497.56/x
  3. Step 3: Cross multiply
    7,549.72x = 10,405.66 × 6,497.56
  4. Step 4: Simplify right side
    7,549.72x = 67,611,400.19
  5. Step 5: Solve for x
    x = 67,611,400.19/7,549.72
  6. Step 6: Final answer
    x = 8,955.48

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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.