Home / 5,133.20-7,699.80-1,846.40

Finding the Fourth Proportional to 5,133.20, 7,699.80 and 1,846.40

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Solution

The fourth proportional to 5,133.20, 7,699.80 and 1,846.40 is: 2,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.20 : 7,699.80 = 1,846.40 : x
  2. Step 2: Convert to fraction form
    5,133.20/7,699.80 = 1,846.40/x
  3. Step 3: Cross multiply
    5,133.20x = 7,699.80 × 1,846.40
  4. Step 4: Simplify right side
    5,133.20x = 14,216,910.72
  5. Step 5: Solve for x
    x = 14,216,910.72/5,133.20
  6. Step 6: Final answer
    x = 2,769.60

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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.