Home / 5,558.40-7,670.36-3,200.94

Finding the Fourth Proportional to 5,558.40, 7,670.36 and 3,200.94

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Solution

The fourth proportional to 5,558.40, 7,670.36 and 3,200.94 is: 4,417.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.40 : 7,670.36 = 3,200.94 : x
  2. Step 2: Convert to fraction form
    5,558.40/7,670.36 = 3,200.94/x
  3. Step 3: Cross multiply
    5,558.40x = 7,670.36 × 3,200.94
  4. Step 4: Simplify right side
    5,558.40x = 24,552,362.14
  5. Step 5: Solve for x
    x = 24,552,362.14/5,558.40
  6. Step 6: Final answer
    x = 4,417.16

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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.