Home / 7,666.48-10,576.19-4,479.91

Finding the Fourth Proportional to 7,666.48, 10,576.19 and 4,479.91

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Solution

The fourth proportional to 7,666.48, 10,576.19 and 4,479.91 is: 6,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.48 : 10,576.19 = 4,479.91 : x
  2. Step 2: Convert to fraction form
    7,666.48/10,576.19 = 4,479.91/x
  3. Step 3: Cross multiply
    7,666.48x = 10,576.19 × 4,479.91
  4. Step 4: Simplify right side
    7,666.48x = 47,380,379.34
  5. Step 5: Solve for x
    x = 47,380,379.34/7,666.48
  6. Step 6: Final answer
    x = 6,180.20

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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.