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Finding the Fourth Proportional to 7,010.01, 10,509.26 and 4,782.69

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Solution

The fourth proportional to 7,010.01, 10,509.26 and 4,782.69 is: 7,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.01 : 10,509.26 = 4,782.69 : x
  2. Step 2: Convert to fraction form
    7,010.01/10,509.26 = 4,782.69/x
  3. Step 3: Cross multiply
    7,010.01x = 10,509.26 × 4,782.69
  4. Step 4: Simplify right side
    7,010.01x = 50,262,508.80
  5. Step 5: Solve for x
    x = 50,262,508.80/7,010.01
  6. Step 6: Final answer
    x = 7,170.11

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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.