Home / 7,642.18-10,548.08-4,659.66

Finding the Fourth Proportional to 7,642.18, 10,548.08 and 4,659.66

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Solution

The fourth proportional to 7,642.18, 10,548.08 and 4,659.66 is: 6,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.18 : 10,548.08 = 4,659.66 : x
  2. Step 2: Convert to fraction form
    7,642.18/10,548.08 = 4,659.66/x
  3. Step 3: Cross multiply
    7,642.18x = 10,548.08 × 4,659.66
  4. Step 4: Simplify right side
    7,642.18x = 49,150,451.73
  5. Step 5: Solve for x
    x = 49,150,451.73/7,642.18
  6. Step 6: Final answer
    x = 6,431.47

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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.