Home / 8,352.09-12,529.28-2,807.02

Finding the Fourth Proportional to 8,352.09, 12,529.28 and 2,807.02

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Solution

The fourth proportional to 8,352.09, 12,529.28 and 2,807.02 is: 4,210.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.09 : 12,529.28 = 2,807.02 : x
  2. Step 2: Convert to fraction form
    8,352.09/12,529.28 = 2,807.02/x
  3. Step 3: Cross multiply
    8,352.09x = 12,529.28 × 2,807.02
  4. Step 4: Simplify right side
    8,352.09x = 35,169,869.88
  5. Step 5: Solve for x
    x = 35,169,869.88/8,352.09
  6. Step 6: Final answer
    x = 4,210.91

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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.