Home / 7,342.77-11,011.54-2,661.57

Finding the Fourth Proportional to 7,342.77, 11,011.54 and 2,661.57

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Solution

The fourth proportional to 7,342.77, 11,011.54 and 2,661.57 is: 3,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.77 : 11,011.54 = 2,661.57 : x
  2. Step 2: Convert to fraction form
    7,342.77/11,011.54 = 2,661.57/x
  3. Step 3: Cross multiply
    7,342.77x = 11,011.54 × 2,661.57
  4. Step 4: Simplify right side
    7,342.77x = 29,307,916.15
  5. Step 5: Solve for x
    x = 29,307,916.15/7,342.77
  6. Step 6: Final answer
    x = 3,991.40

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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.