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Finding the Fourth Proportional to 5,030.16, 7,544.16 and 1,742.64

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Solution

The fourth proportional to 5,030.16, 7,544.16 and 1,742.64 is: 2,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.16 : 7,544.16 = 1,742.64 : x
  2. Step 2: Convert to fraction form
    5,030.16/7,544.16 = 1,742.64/x
  3. Step 3: Cross multiply
    5,030.16x = 7,544.16 × 1,742.64
  4. Step 4: Simplify right side
    5,030.16x = 13,146,754.98
  5. Step 5: Solve for x
    x = 13,146,754.98/5,030.16
  6. Step 6: Final answer
    x = 2,613.59

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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.