Home / 8,298.99-12,429.88-6,444.50

Finding the Fourth Proportional to 8,298.99, 12,429.88 and 6,444.50

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Solution

The fourth proportional to 8,298.99, 12,429.88 and 6,444.50 is: 9,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.99 : 12,429.88 = 6,444.50 : x
  2. Step 2: Convert to fraction form
    8,298.99/12,429.88 = 6,444.50/x
  3. Step 3: Cross multiply
    8,298.99x = 12,429.88 × 6,444.50
  4. Step 4: Simplify right side
    8,298.99x = 80,104,361.66
  5. Step 5: Solve for x
    x = 80,104,361.66/8,298.99
  6. Step 6: Final answer
    x = 9,652.30

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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.