Home / 8,228.38-12,369.30-6,602.72

Finding the Fourth Proportional to 8,228.38, 12,369.30 and 6,602.72

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Solution

The fourth proportional to 8,228.38, 12,369.30 and 6,602.72 is: 9,925.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.38 : 12,369.30 = 6,602.72 : x
  2. Step 2: Convert to fraction form
    8,228.38/12,369.30 = 6,602.72/x
  3. Step 3: Cross multiply
    8,228.38x = 12,369.30 × 6,602.72
  4. Step 4: Simplify right side
    8,228.38x = 81,671,024.50
  5. Step 5: Solve for x
    x = 81,671,024.50/8,228.38
  6. Step 6: Final answer
    x = 9,925.53

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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.