Home / 7,918.90-10,924.91-4,559.91

Finding the Fourth Proportional to 7,918.90, 10,924.91 and 4,559.91

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Solution

The fourth proportional to 7,918.90, 10,924.91 and 4,559.91 is: 6,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.90 : 10,924.91 = 4,559.91 : x
  2. Step 2: Convert to fraction form
    7,918.90/10,924.91 = 4,559.91/x
  3. Step 3: Cross multiply
    7,918.90x = 10,924.91 × 4,559.91
  4. Step 4: Simplify right side
    7,918.90x = 49,816,583.56
  5. Step 5: Solve for x
    x = 49,816,583.56/7,918.90
  6. Step 6: Final answer
    x = 6,290.85

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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.