Home / 5,490.02-7,576.86-3,132.50

Finding the Fourth Proportional to 5,490.02, 7,576.86 and 3,132.50

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Solution

The fourth proportional to 5,490.02, 7,576.86 and 3,132.50 is: 4,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.02 : 7,576.86 = 3,132.50 : x
  2. Step 2: Convert to fraction form
    5,490.02/7,576.86 = 3,132.50/x
  3. Step 3: Cross multiply
    5,490.02x = 7,576.86 × 3,132.50
  4. Step 4: Simplify right side
    5,490.02x = 23,734,513.95
  5. Step 5: Solve for x
    x = 23,734,513.95/5,490.02
  6. Step 6: Final answer
    x = 4,323.21

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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.