Home / 4,247.84-6,374.23-1,782.47

Finding the Fourth Proportional to 4,247.84, 6,374.23 and 1,782.47

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Solution

The fourth proportional to 4,247.84, 6,374.23 and 1,782.47 is: 2,674.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.84 : 6,374.23 = 1,782.47 : x
  2. Step 2: Convert to fraction form
    4,247.84/6,374.23 = 1,782.47/x
  3. Step 3: Cross multiply
    4,247.84x = 6,374.23 × 1,782.47
  4. Step 4: Simplify right side
    4,247.84x = 11,361,885.23
  5. Step 5: Solve for x
    x = 11,361,885.23/4,247.84
  6. Step 6: Final answer
    x = 2,674.74

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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.