Home / 8,642.31-11,926.48-4,864.75

Finding the Fourth Proportional to 8,642.31, 11,926.48 and 4,864.75

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Solution

The fourth proportional to 8,642.31, 11,926.48 and 4,864.75 is: 6,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642.31 : 11,926.48 = 4,864.75 : x
  2. Step 2: Convert to fraction form
    8,642.31/11,926.48 = 4,864.75/x
  3. Step 3: Cross multiply
    8,642.31x = 11,926.48 × 4,864.75
  4. Step 4: Simplify right side
    8,642.31x = 58,019,301.60
  5. Step 5: Solve for x
    x = 58,019,301.60/8,642.31
  6. Step 6: Final answer
    x = 6,713.40

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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.