Home / 7,510.20-10,365.30-4,992.36

Finding the Fourth Proportional to 7,510.20, 10,365.30 and 4,992.36

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Solution

The fourth proportional to 7,510.20, 10,365.30 and 4,992.36 is: 6,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.20 : 10,365.30 = 4,992.36 : x
  2. Step 2: Convert to fraction form
    7,510.20/10,365.30 = 4,992.36/x
  3. Step 3: Cross multiply
    7,510.20x = 10,365.30 × 4,992.36
  4. Step 4: Simplify right side
    7,510.20x = 51,747,309.11
  5. Step 5: Solve for x
    x = 51,747,309.11/7,510.20
  6. Step 6: Final answer
    x = 6,890.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.