Home / 8,487.03-12,730.01-5,200.59

Finding the Fourth Proportional to 8,487.03, 12,730.01 and 5,200.59

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Solution

The fourth proportional to 8,487.03, 12,730.01 and 5,200.59 is: 7,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487.03 : 12,730.01 = 5,200.59 : x
  2. Step 2: Convert to fraction form
    8,487.03/12,730.01 = 5,200.59/x
  3. Step 3: Cross multiply
    8,487.03x = 12,730.01 × 5,200.59
  4. Step 4: Simplify right side
    8,487.03x = 66,203,536.70
  5. Step 5: Solve for x
    x = 66,203,536.70/8,487.03
  6. Step 6: Final answer
    x = 7,800.55

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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.