Home / 8,432.80-12,659.67-5,461.51

Finding the Fourth Proportional to 8,432.80, 12,659.67 and 5,461.51

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Solution

The fourth proportional to 8,432.80, 12,659.67 and 5,461.51 is: 8,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.80 : 12,659.67 = 5,461.51 : x
  2. Step 2: Convert to fraction form
    8,432.80/12,659.67 = 5,461.51/x
  3. Step 3: Cross multiply
    8,432.80x = 12,659.67 × 5,461.51
  4. Step 4: Simplify right side
    8,432.80x = 69,140,914.30
  5. Step 5: Solve for x
    x = 69,140,914.30/8,432.80
  6. Step 6: Final answer
    x = 8,199.05

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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.