Home / 7,909.22-10,915.82-4,551.98

Finding the Fourth Proportional to 7,909.22, 10,915.82 and 4,551.98

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Solution

The fourth proportional to 7,909.22, 10,915.82 and 4,551.98 is: 6,282.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.22 : 10,915.82 = 4,551.98 : x
  2. Step 2: Convert to fraction form
    7,909.22/10,915.82 = 4,551.98/x
  3. Step 3: Cross multiply
    7,909.22x = 10,915.82 × 4,551.98
  4. Step 4: Simplify right side
    7,909.22x = 49,688,551.12
  5. Step 5: Solve for x
    x = 49,688,551.12/7,909.22
  6. Step 6: Final answer
    x = 6,282.36

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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.