Home / 10,202.15-15,303.29-2,807.39

Finding the Fourth Proportional to 10,202.15, 15,303.29 and 2,807.39

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Solution

The fourth proportional to 10,202.15, 15,303.29 and 2,807.39 is: 4,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.15 : 15,303.29 = 2,807.39 : x
  2. Step 2: Convert to fraction form
    10,202.15/15,303.29 = 2,807.39/x
  3. Step 3: Cross multiply
    10,202.15x = 15,303.29 × 2,807.39
  4. Step 4: Simplify right side
    10,202.15x = 42,962,303.31
  5. Step 5: Solve for x
    x = 42,962,303.31/10,202.15
  6. Step 6: Final answer
    x = 4,211.10

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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.