Home / 7,299.36-10,113.80-7,141.71

Finding the Fourth Proportional to 7,299.36, 10,113.80 and 7,141.71

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Solution

The fourth proportional to 7,299.36, 10,113.80 and 7,141.71 is: 9,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.36 : 10,113.80 = 7,141.71 : x
  2. Step 2: Convert to fraction form
    7,299.36/10,113.80 = 7,141.71/x
  3. Step 3: Cross multiply
    7,299.36x = 10,113.80 × 7,141.71
  4. Step 4: Simplify right side
    7,299.36x = 72,229,826.60
  5. Step 5: Solve for x
    x = 72,229,826.60/7,299.36
  6. Step 6: Final answer
    x = 9,895.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.