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Finding the Fourth Proportional to 7,559.03, 10,419.90 and 5,314.79

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Solution

The fourth proportional to 7,559.03, 10,419.90 and 5,314.79 is: 7,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.03 : 10,419.90 = 5,314.79 : x
  2. Step 2: Convert to fraction form
    7,559.03/10,419.90 = 5,314.79/x
  3. Step 3: Cross multiply
    7,559.03x = 10,419.90 × 5,314.79
  4. Step 4: Simplify right side
    7,559.03x = 55,379,580.32
  5. Step 5: Solve for x
    x = 55,379,580.32/7,559.03
  6. Step 6: Final answer
    x = 7,326.28

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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.