Home / 4,381.80-6,045.48-3,123.06

Finding the Fourth Proportional to 4,381.80, 6,045.48 and 3,123.06

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Solution

The fourth proportional to 4,381.80, 6,045.48 and 3,123.06 is: 4,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.80 : 6,045.48 = 3,123.06 : x
  2. Step 2: Convert to fraction form
    4,381.80/6,045.48 = 3,123.06/x
  3. Step 3: Cross multiply
    4,381.80x = 6,045.48 × 3,123.06
  4. Step 4: Simplify right side
    4,381.80x = 18,880,396.77
  5. Step 5: Solve for x
    x = 18,880,396.77/4,381.80
  6. Step 6: Final answer
    x = 4,308.82

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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.