Home / 7,915.82-10,924.16-4,558.55

Finding the Fourth Proportional to 7,915.82, 10,924.16 and 4,558.55

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Solution

The fourth proportional to 7,915.82, 10,924.16 and 4,558.55 is: 6,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915.82 : 10,924.16 = 4,558.55 : x
  2. Step 2: Convert to fraction form
    7,915.82/10,924.16 = 4,558.55/x
  3. Step 3: Cross multiply
    7,915.82x = 10,924.16 × 4,558.55
  4. Step 4: Simplify right side
    7,915.82x = 49,798,252.15
  5. Step 5: Solve for x
    x = 49,798,252.15/7,915.82
  6. Step 6: Final answer
    x = 6,290.98

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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.