Home / 8,447.04-12,670.56-3,513.60

Finding the Fourth Proportional to 8,447.04, 12,670.56 and 3,513.60

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Solution

The fourth proportional to 8,447.04, 12,670.56 and 3,513.60 is: 5,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.04 : 12,670.56 = 3,513.60 : x
  2. Step 2: Convert to fraction form
    8,447.04/12,670.56 = 3,513.60/x
  3. Step 3: Cross multiply
    8,447.04x = 12,670.56 × 3,513.60
  4. Step 4: Simplify right side
    8,447.04x = 44,519,279.62
  5. Step 5: Solve for x
    x = 44,519,279.62/8,447.04
  6. Step 6: Final answer
    x = 5,270.40

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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.