Home / 8,285.18-12,428.40-2,362.01

Finding the Fourth Proportional to 8,285.18, 12,428.40 and 2,362.01

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Solution

The fourth proportional to 8,285.18, 12,428.40 and 2,362.01 is: 3,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.18 : 12,428.40 = 2,362.01 : x
  2. Step 2: Convert to fraction form
    8,285.18/12,428.40 = 2,362.01/x
  3. Step 3: Cross multiply
    8,285.18x = 12,428.40 × 2,362.01
  4. Step 4: Simplify right side
    8,285.18x = 29,356,005.08
  5. Step 5: Solve for x
    x = 29,356,005.08/8,285.18
  6. Step 6: Final answer
    x = 3,543.19

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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.