Home / 5,228.99-7,212.36-4,437.58

Finding the Fourth Proportional to 5,228.99, 7,212.36 and 4,437.58

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Solution

The fourth proportional to 5,228.99, 7,212.36 and 4,437.58 is: 6,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.99 : 7,212.36 = 4,437.58 : x
  2. Step 2: Convert to fraction form
    5,228.99/7,212.36 = 4,437.58/x
  3. Step 3: Cross multiply
    5,228.99x = 7,212.36 × 4,437.58
  4. Step 4: Simplify right side
    5,228.99x = 32,005,402.30
  5. Step 5: Solve for x
    x = 32,005,402.30/5,228.99
  6. Step 6: Final answer
    x = 6,120.77

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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.