Home / 7,430.56-11,141.06-4,139.13

Finding the Fourth Proportional to 7,430.56, 11,141.06 and 4,139.13

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Solution

The fourth proportional to 7,430.56, 11,141.06 and 4,139.13 is: 6,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.56 : 11,141.06 = 4,139.13 : x
  2. Step 2: Convert to fraction form
    7,430.56/11,141.06 = 4,139.13/x
  3. Step 3: Cross multiply
    7,430.56x = 11,141.06 × 4,139.13
  4. Step 4: Simplify right side
    7,430.56x = 46,114,295.68
  5. Step 5: Solve for x
    x = 46,114,295.68/7,430.56
  6. Step 6: Final answer
    x = 6,206.03

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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.