Home / 5,079.02-7,620.56-1,792.45

Finding the Fourth Proportional to 5,079.02, 7,620.56 and 1,792.45

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Solution

The fourth proportional to 5,079.02, 7,620.56 and 1,792.45 is: 2,689.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.02 : 7,620.56 = 1,792.45 : x
  2. Step 2: Convert to fraction form
    5,079.02/7,620.56 = 1,792.45/x
  3. Step 3: Cross multiply
    5,079.02x = 7,620.56 × 1,792.45
  4. Step 4: Simplify right side
    5,079.02x = 13,659,425.71
  5. Step 5: Solve for x
    x = 13,659,425.71/5,079.02
  6. Step 6: Final answer
    x = 2,689.38

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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.