Home / 5,072.24-7,607.16-1,561.76

Finding the Fourth Proportional to 5,072.24, 7,607.16 and 1,561.76

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Solution

The fourth proportional to 5,072.24, 7,607.16 and 1,561.76 is: 2,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.24 : 7,607.16 = 1,561.76 : x
  2. Step 2: Convert to fraction form
    5,072.24/7,607.16 = 1,561.76/x
  3. Step 3: Cross multiply
    5,072.24x = 7,607.16 × 1,561.76
  4. Step 4: Simplify right side
    5,072.24x = 11,880,558.20
  5. Step 5: Solve for x
    x = 11,880,558.20/5,072.24
  6. Step 6: Final answer
    x = 2,342.27

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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.