Home / 6,424.58-8,862.30-3,771.47

Finding the Fourth Proportional to 6,424.58, 8,862.30 and 3,771.47

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Solution

The fourth proportional to 6,424.58, 8,862.30 and 3,771.47 is: 5,202.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.58 : 8,862.30 = 3,771.47 : x
  2. Step 2: Convert to fraction form
    6,424.58/8,862.30 = 3,771.47/x
  3. Step 3: Cross multiply
    6,424.58x = 8,862.30 × 3,771.47
  4. Step 4: Simplify right side
    6,424.58x = 33,423,898.58
  5. Step 5: Solve for x
    x = 33,423,898.58/6,424.58
  6. Step 6: Final answer
    x = 5,202.50

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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.