Home / 7,228.04-9,979.50-4,438.36

Finding the Fourth Proportional to 7,228.04, 9,979.50 and 4,438.36

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Solution

The fourth proportional to 7,228.04, 9,979.50 and 4,438.36 is: 6,127.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.04 : 9,979.50 = 4,438.36 : x
  2. Step 2: Convert to fraction form
    7,228.04/9,979.50 = 4,438.36/x
  3. Step 3: Cross multiply
    7,228.04x = 9,979.50 × 4,438.36
  4. Step 4: Simplify right side
    7,228.04x = 44,292,613.62
  5. Step 5: Solve for x
    x = 44,292,613.62/7,228.04
  6. Step 6: Final answer
    x = 6,127.89

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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.