Home / 4,503.40-6,220.80-3,521.07

Finding the Fourth Proportional to 4,503.40, 6,220.80 and 3,521.07

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Solution

The fourth proportional to 4,503.40, 6,220.80 and 3,521.07 is: 4,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,503.40 : 6,220.80 = 3,521.07 : x
  2. Step 2: Convert to fraction form
    4,503.40/6,220.80 = 3,521.07/x
  3. Step 3: Cross multiply
    4,503.40x = 6,220.80 × 3,521.07
  4. Step 4: Simplify right side
    4,503.40x = 21,903,872.26
  5. Step 5: Solve for x
    x = 21,903,872.26/4,503.40
  6. Step 6: Final answer
    x = 4,863.85

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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.