Home / 7,505.87-11,256.98-3,123.36

Finding the Fourth Proportional to 7,505.87, 11,256.98 and 3,123.36

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Solution

The fourth proportional to 7,505.87, 11,256.98 and 3,123.36 is: 4,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.87 : 11,256.98 = 3,123.36 : x
  2. Step 2: Convert to fraction form
    7,505.87/11,256.98 = 3,123.36/x
  3. Step 3: Cross multiply
    7,505.87x = 11,256.98 × 3,123.36
  4. Step 4: Simplify right side
    7,505.87x = 35,159,585.44
  5. Step 5: Solve for x
    x = 35,159,585.44/7,505.87
  6. Step 6: Final answer
    x = 4,684.28

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1.5x scale

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.