Home / 8,299.04-12,449.40-3,915.32

Finding the Fourth Proportional to 8,299.04, 12,449.40 and 3,915.32

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Solution

The fourth proportional to 8,299.04, 12,449.40 and 3,915.32 is: 5,873.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.04 : 12,449.40 = 3,915.32 : x
  2. Step 2: Convert to fraction form
    8,299.04/12,449.40 = 3,915.32/x
  3. Step 3: Cross multiply
    8,299.04x = 12,449.40 × 3,915.32
  4. Step 4: Simplify right side
    8,299.04x = 48,743,384.81
  5. Step 5: Solve for x
    x = 48,743,384.81/8,299.04
  6. Step 6: Final answer
    x = 5,873.38

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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.