Home / 4,939.60-7,409.12-1,652.36

Finding the Fourth Proportional to 4,939.60, 7,409.12 and 1,652.36

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Solution

The fourth proportional to 4,939.60, 7,409.12 and 1,652.36 is: 2,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.60 : 7,409.12 = 1,652.36 : x
  2. Step 2: Convert to fraction form
    4,939.60/7,409.12 = 1,652.36/x
  3. Step 3: Cross multiply
    4,939.60x = 7,409.12 × 1,652.36
  4. Step 4: Simplify right side
    4,939.60x = 12,242,533.52
  5. Step 5: Solve for x
    x = 12,242,533.52/4,939.60
  6. Step 6: Final answer
    x = 2,478.45

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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.