Home / 8,645.32-12,969.18-2,800.04

Finding the Fourth Proportional to 8,645.32, 12,969.18 and 2,800.04

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Solution

The fourth proportional to 8,645.32, 12,969.18 and 2,800.04 is: 4,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.32 : 12,969.18 = 2,800.04 : x
  2. Step 2: Convert to fraction form
    8,645.32/12,969.18 = 2,800.04/x
  3. Step 3: Cross multiply
    8,645.32x = 12,969.18 × 2,800.04
  4. Step 4: Simplify right side
    8,645.32x = 36,314,222.77
  5. Step 5: Solve for x
    x = 36,314,222.77/8,645.32
  6. Step 6: Final answer
    x = 4,200.45

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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.