Home / 7,123.13-10,707.76-5,754.54

Finding the Fourth Proportional to 7,123.13, 10,707.76 and 5,754.54

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Solution

The fourth proportional to 7,123.13, 10,707.76 and 5,754.54 is: 8,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123.13 : 10,707.76 = 5,754.54 : x
  2. Step 2: Convert to fraction form
    7,123.13/10,707.76 = 5,754.54/x
  3. Step 3: Cross multiply
    7,123.13x = 10,707.76 × 5,754.54
  4. Step 4: Simplify right side
    7,123.13x = 61,618,256.30
  5. Step 5: Solve for x
    x = 61,618,256.30/7,123.13
  6. Step 6: Final answer
    x = 8,650.45

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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.