Home / 7,001.32-10,506-2,840.56

Finding the Fourth Proportional to 7,001.32, 10,506 and 2,840.56

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Solution

The fourth proportional to 7,001.32, 10,506 and 2,840.56 is: 4,262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.32 : 10,506 = 2,840.56 : x
  2. Step 2: Convert to fraction form
    7,001.32/10,506 = 2,840.56/x
  3. Step 3: Cross multiply
    7,001.32x = 10,506 × 2,840.56
  4. Step 4: Simplify right side
    7,001.32x = 29,842,923.36
  5. Step 5: Solve for x
    x = 29,842,923.36/7,001.32
  6. Step 6: Final answer
    x = 4,262.47

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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.