Home / 5,620.53-7,756.31-3,102.63

Finding the Fourth Proportional to 5,620.53, 7,756.31 and 3,102.63

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Solution

The fourth proportional to 5,620.53, 7,756.31 and 3,102.63 is: 4,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.53 : 7,756.31 = 3,102.63 : x
  2. Step 2: Convert to fraction form
    5,620.53/7,756.31 = 3,102.63/x
  3. Step 3: Cross multiply
    5,620.53x = 7,756.31 × 3,102.63
  4. Step 4: Simplify right side
    5,620.53x = 24,064,960.10
  5. Step 5: Solve for x
    x = 24,064,960.10/5,620.53
  6. Step 6: Final answer
    x = 4,281.62

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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.