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Finding the Fourth Proportional to 7,007.25, 10,510.92 and 1,813.17

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Solution

The fourth proportional to 7,007.25, 10,510.92 and 1,813.17 is: 2,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.25 : 10,510.92 = 1,813.17 : x
  2. Step 2: Convert to fraction form
    7,007.25/10,510.92 = 1,813.17/x
  3. Step 3: Cross multiply
    7,007.25x = 10,510.92 × 1,813.17
  4. Step 4: Simplify right side
    7,007.25x = 19,058,084.82
  5. Step 5: Solve for x
    x = 19,058,084.82/7,007.25
  6. Step 6: Final answer
    x = 2,719.77

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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.