Home / 7,000.24-10,500.76-1,806.16

Finding the Fourth Proportional to 7,000.24, 10,500.76 and 1,806.16

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Solution

The fourth proportional to 7,000.24, 10,500.76 and 1,806.16 is: 2,709.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.24 : 10,500.76 = 1,806.16 : x
  2. Step 2: Convert to fraction form
    7,000.24/10,500.76 = 1,806.16/x
  3. Step 3: Cross multiply
    7,000.24x = 10,500.76 × 1,806.16
  4. Step 4: Simplify right side
    7,000.24x = 18,966,052.68
  5. Step 5: Solve for x
    x = 18,966,052.68/7,000.24
  6. Step 6: Final answer
    x = 2,709.34

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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.