Home / 4,703.40-7,052.82-1,415.88

Finding the Fourth Proportional to 4,703.40, 7,052.82 and 1,415.88

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Solution

The fourth proportional to 4,703.40, 7,052.82 and 1,415.88 is: 2,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.40 : 7,052.82 = 1,415.88 : x
  2. Step 2: Convert to fraction form
    4,703.40/7,052.82 = 1,415.88/x
  3. Step 3: Cross multiply
    4,703.40x = 7,052.82 × 1,415.88
  4. Step 4: Simplify right side
    4,703.40x = 9,985,946.78
  5. Step 5: Solve for x
    x = 9,985,946.78/4,703.40
  6. Step 6: Final answer
    x = 2,123.13

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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.