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Finding the Fourth Proportional to 7,001.69, 10,502.46 and 2,840.71

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Solution

The fourth proportional to 7,001.69, 10,502.46 and 2,840.71 is: 4,261.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.69 : 10,502.46 = 2,840.71 : x
  2. Step 2: Convert to fraction form
    7,001.69/10,502.46 = 2,840.71/x
  3. Step 3: Cross multiply
    7,001.69x = 10,502.46 × 2,840.71
  4. Step 4: Simplify right side
    7,001.69x = 29,834,443.15
  5. Step 5: Solve for x
    x = 29,834,443.15/7,001.69
  6. Step 6: Final answer
    x = 4,261.03

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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.