Home / 4,690.98-6,471.90-2,921.94

Finding the Fourth Proportional to 4,690.98, 6,471.90 and 2,921.94

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Solution

The fourth proportional to 4,690.98, 6,471.90 and 2,921.94 is: 4,031.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.98 : 6,471.90 = 2,921.94 : x
  2. Step 2: Convert to fraction form
    4,690.98/6,471.90 = 2,921.94/x
  3. Step 3: Cross multiply
    4,690.98x = 6,471.90 × 2,921.94
  4. Step 4: Simplify right side
    4,690.98x = 18,910,503.49
  5. Step 5: Solve for x
    x = 18,910,503.49/4,690.98
  6. Step 6: Final answer
    x = 4,031.25

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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.