Home / 5,776.03-7,970.90-3,123.43

Finding the Fourth Proportional to 5,776.03, 7,970.90 and 3,123.43

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Solution

The fourth proportional to 5,776.03, 7,970.90 and 3,123.43 is: 4,310.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.03 : 7,970.90 = 3,123.43 : x
  2. Step 2: Convert to fraction form
    5,776.03/7,970.90 = 3,123.43/x
  3. Step 3: Cross multiply
    5,776.03x = 7,970.90 × 3,123.43
  4. Step 4: Simplify right side
    5,776.03x = 24,896,548.19
  5. Step 5: Solve for x
    x = 24,896,548.19/5,776.03
  6. Step 6: Final answer
    x = 4,310.32

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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.