Home / 7,932.40-11,886.08-6,444.36

Finding the Fourth Proportional to 7,932.40, 11,886.08 and 6,444.36

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Solution

The fourth proportional to 7,932.40, 11,886.08 and 6,444.36 is: 9,656.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.40 : 11,886.08 = 6,444.36 : x
  2. Step 2: Convert to fraction form
    7,932.40/11,886.08 = 6,444.36/x
  3. Step 3: Cross multiply
    7,932.40x = 11,886.08 × 6,444.36
  4. Step 4: Simplify right side
    7,932.40x = 76,598,178.51
  5. Step 5: Solve for x
    x = 76,598,178.51/7,932.40
  6. Step 6: Final answer
    x = 9,656.37

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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.