Home / 7,557.21-10,429.20-4,200.26

Finding the Fourth Proportional to 7,557.21, 10,429.20 and 4,200.26

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Solution

The fourth proportional to 7,557.21, 10,429.20 and 4,200.26 is: 5,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.21 : 10,429.20 = 4,200.26 : x
  2. Step 2: Convert to fraction form
    7,557.21/10,429.20 = 4,200.26/x
  3. Step 3: Cross multiply
    7,557.21x = 10,429.20 × 4,200.26
  4. Step 4: Simplify right side
    7,557.21x = 43,805,299.45
  5. Step 5: Solve for x
    x = 43,805,299.45/7,557.21
  6. Step 6: Final answer
    x = 5,796.49

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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.