Home / 8,319.72-12,482.56-3,573.89

Finding the Fourth Proportional to 8,319.72, 12,482.56 and 3,573.89

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Solution

The fourth proportional to 8,319.72, 12,482.56 and 3,573.89 is: 5,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.72 : 12,482.56 = 3,573.89 : x
  2. Step 2: Convert to fraction form
    8,319.72/12,482.56 = 3,573.89/x
  3. Step 3: Cross multiply
    8,319.72x = 12,482.56 × 3,573.89
  4. Step 4: Simplify right side
    8,319.72x = 44,611,247.28
  5. Step 5: Solve for x
    x = 44,611,247.28/8,319.72
  6. Step 6: Final answer
    x = 5,362.11

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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.