Home / 6,148.51-8,483.67-3,909.58

Finding the Fourth Proportional to 6,148.51, 8,483.67 and 3,909.58

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Solution

The fourth proportional to 6,148.51, 8,483.67 and 3,909.58 is: 5,394.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.51 : 8,483.67 = 3,909.58 : x
  2. Step 2: Convert to fraction form
    6,148.51/8,483.67 = 3,909.58/x
  3. Step 3: Cross multiply
    6,148.51x = 8,483.67 × 3,909.58
  4. Step 4: Simplify right side
    6,148.51x = 33,167,565.35
  5. Step 5: Solve for x
    x = 33,167,565.35/6,148.51
  6. Step 6: Final answer
    x = 5,394.41

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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.