Home / 7,610.32-11,415.48-4,689.64

Finding the Fourth Proportional to 7,610.32, 11,415.48 and 4,689.64

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Solution

The fourth proportional to 7,610.32, 11,415.48 and 4,689.64 is: 7,034.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610.32 : 11,415.48 = 4,689.64 : x
  2. Step 2: Convert to fraction form
    7,610.32/11,415.48 = 4,689.64/x
  3. Step 3: Cross multiply
    7,610.32x = 11,415.48 × 4,689.64
  4. Step 4: Simplify right side
    7,610.32x = 53,534,491.63
  5. Step 5: Solve for x
    x = 53,534,491.63/7,610.32
  6. Step 6: Final answer
    x = 7,034.46

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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.