Home / 8,253.30-12,376.95-4,355.58

Finding the Fourth Proportional to 8,253.30, 12,376.95 and 4,355.58

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Solution

The fourth proportional to 8,253.30, 12,376.95 and 4,355.58 is: 6,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.30 : 12,376.95 = 4,355.58 : x
  2. Step 2: Convert to fraction form
    8,253.30/12,376.95 = 4,355.58/x
  3. Step 3: Cross multiply
    8,253.30x = 12,376.95 × 4,355.58
  4. Step 4: Simplify right side
    8,253.30x = 53,908,795.88
  5. Step 5: Solve for x
    x = 53,908,795.88/8,253.30
  6. Step 6: Final answer
    x = 6,531.79

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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.