Home / 4,347.72-6,521.82-1,426.44

Finding the Fourth Proportional to 4,347.72, 6,521.82 and 1,426.44

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Solution

The fourth proportional to 4,347.72, 6,521.82 and 1,426.44 is: 2,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,347.72 : 6,521.82 = 1,426.44 : x
  2. Step 2: Convert to fraction form
    4,347.72/6,521.82 = 1,426.44/x
  3. Step 3: Cross multiply
    4,347.72x = 6,521.82 × 1,426.44
  4. Step 4: Simplify right side
    4,347.72x = 9,302,984.92
  5. Step 5: Solve for x
    x = 9,302,984.92/4,347.72
  6. Step 6: Final answer
    x = 2,139.74

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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.