Home / 8,435.02-12,655.23-4,052.78

Finding the Fourth Proportional to 8,435.02, 12,655.23 and 4,052.78

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Solution

The fourth proportional to 8,435.02, 12,655.23 and 4,052.78 is: 6,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.02 : 12,655.23 = 4,052.78 : x
  2. Step 2: Convert to fraction form
    8,435.02/12,655.23 = 4,052.78/x
  3. Step 3: Cross multiply
    8,435.02x = 12,655.23 × 4,052.78
  4. Step 4: Simplify right side
    8,435.02x = 51,288,863.04
  5. Step 5: Solve for x
    x = 51,288,863.04/8,435.02
  6. Step 6: Final answer
    x = 6,080.47

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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.