Home / 7,582.10-11,379.90-4,458.20

Finding the Fourth Proportional to 7,582.10, 11,379.90 and 4,458.20

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Solution

The fourth proportional to 7,582.10, 11,379.90 and 4,458.20 is: 6,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582.10 : 11,379.90 = 4,458.20 : x
  2. Step 2: Convert to fraction form
    7,582.10/11,379.90 = 4,458.20/x
  3. Step 3: Cross multiply
    7,582.10x = 11,379.90 × 4,458.20
  4. Step 4: Simplify right side
    7,582.10x = 50,733,870.18
  5. Step 5: Solve for x
    x = 50,733,870.18/7,582.10
  6. Step 6: Final answer
    x = 6,691.27

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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.