Home / 8,283.05-12,429.02-6,437.87

Finding the Fourth Proportional to 8,283.05, 12,429.02 and 6,437.87

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Solution

The fourth proportional to 8,283.05, 12,429.02 and 6,437.87 is: 9,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.05 : 12,429.02 = 6,437.87 : x
  2. Step 2: Convert to fraction form
    8,283.05/12,429.02 = 6,437.87/x
  3. Step 3: Cross multiply
    8,283.05x = 12,429.02 × 6,437.87
  4. Step 4: Simplify right side
    8,283.05x = 80,016,368.94
  5. Step 5: Solve for x
    x = 80,016,368.94/8,283.05
  6. Step 6: Final answer
    x = 9,660.26

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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.