Home / 6,678.90-10,007.37-4,207.59

Finding the Fourth Proportional to 6,678.90, 10,007.37 and 4,207.59

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Solution

The fourth proportional to 6,678.90, 10,007.37 and 4,207.59 is: 6,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.90 : 10,007.37 = 4,207.59 : x
  2. Step 2: Convert to fraction form
    6,678.90/10,007.37 = 4,207.59/x
  3. Step 3: Cross multiply
    6,678.90x = 10,007.37 × 4,207.59
  4. Step 4: Simplify right side
    6,678.90x = 42,106,909.94
  5. Step 5: Solve for x
    x = 42,106,909.94/6,678.90
  6. Step 6: Final answer
    x = 6,304.47

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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.