Home / 7,531.79-11,284.31-6,424.92

Finding the Fourth Proportional to 7,531.79, 11,284.31 and 6,424.92

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Solution

The fourth proportional to 7,531.79, 11,284.31 and 6,424.92 is: 9,625.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.79 : 11,284.31 = 6,424.92 : x
  2. Step 2: Convert to fraction form
    7,531.79/11,284.31 = 6,424.92/x
  3. Step 3: Cross multiply
    7,531.79x = 11,284.31 × 6,424.92
  4. Step 4: Simplify right side
    7,531.79x = 72,500,805.07
  5. Step 5: Solve for x
    x = 72,500,805.07/7,531.79
  6. Step 6: Final answer
    x = 9,625.98

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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.