Home / 7,663.87-10,576.13-4,479.36

Finding the Fourth Proportional to 7,663.87, 10,576.13 and 4,479.36

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Solution

The fourth proportional to 7,663.87, 10,576.13 and 4,479.36 is: 6,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.87 : 10,576.13 = 4,479.36 : x
  2. Step 2: Convert to fraction form
    7,663.87/10,576.13 = 4,479.36/x
  3. Step 3: Cross multiply
    7,663.87x = 10,576.13 × 4,479.36
  4. Step 4: Simplify right side
    7,663.87x = 47,374,240.80
  5. Step 5: Solve for x
    x = 47,374,240.80/7,663.87
  6. Step 6: Final answer
    x = 6,181.50

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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.