Home / 7,430.07-11,123.49-3,911.76

Finding the Fourth Proportional to 7,430.07, 11,123.49 and 3,911.76

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Solution

The fourth proportional to 7,430.07, 11,123.49 and 3,911.76 is: 5,856.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.07 : 11,123.49 = 3,911.76 : x
  2. Step 2: Convert to fraction form
    7,430.07/11,123.49 = 3,911.76/x
  3. Step 3: Cross multiply
    7,430.07x = 11,123.49 × 3,911.76
  4. Step 4: Simplify right side
    7,430.07x = 43,512,423.24
  5. Step 5: Solve for x
    x = 43,512,423.24/7,430.07
  6. Step 6: Final answer
    x = 5,856.26

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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.