Home / 7,010.72-10,515.36-4,697.36

Finding the Fourth Proportional to 7,010.72, 10,515.36 and 4,697.36

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Solution

The fourth proportional to 7,010.72, 10,515.36 and 4,697.36 is: 7,045.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.72 : 10,515.36 = 4,697.36 : x
  2. Step 2: Convert to fraction form
    7,010.72/10,515.36 = 4,697.36/x
  3. Step 3: Cross multiply
    7,010.72x = 10,515.36 × 4,697.36
  4. Step 4: Simplify right side
    7,010.72x = 49,394,431.45
  5. Step 5: Solve for x
    x = 49,394,431.45/7,010.72
  6. Step 6: Final answer
    x = 7,045.56

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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.