Home / 5,180.65-7,777.49-4,153.46

Finding the Fourth Proportional to 5,180.65, 7,777.49 and 4,153.46

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Solution

The fourth proportional to 5,180.65, 7,777.49 and 4,153.46 is: 6,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.65 : 7,777.49 = 4,153.46 : x
  2. Step 2: Convert to fraction form
    5,180.65/7,777.49 = 4,153.46/x
  3. Step 3: Cross multiply
    5,180.65x = 7,777.49 × 4,153.46
  4. Step 4: Simplify right side
    5,180.65x = 32,303,433.96
  5. Step 5: Solve for x
    x = 32,303,433.96/5,180.65
  6. Step 6: Final answer
    x = 6,235.40

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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.