Home / 7,109.04-10,663.92-2,492.40

Finding the Fourth Proportional to 7,109.04, 10,663.92 and 2,492.40

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Solution

The fourth proportional to 7,109.04, 10,663.92 and 2,492.40 is: 3,738.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.04 : 10,663.92 = 2,492.40 : x
  2. Step 2: Convert to fraction form
    7,109.04/10,663.92 = 2,492.40/x
  3. Step 3: Cross multiply
    7,109.04x = 10,663.92 × 2,492.40
  4. Step 4: Simplify right side
    7,109.04x = 26,578,754.21
  5. Step 5: Solve for x
    x = 26,578,754.21/7,109.04
  6. Step 6: Final answer
    x = 3,738.73

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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.