Home / 7,360.38-11,039.49-2,430.18

Finding the Fourth Proportional to 7,360.38, 11,039.49 and 2,430.18

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Solution

The fourth proportional to 7,360.38, 11,039.49 and 2,430.18 is: 3,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.38 : 11,039.49 = 2,430.18 : x
  2. Step 2: Convert to fraction form
    7,360.38/11,039.49 = 2,430.18/x
  3. Step 3: Cross multiply
    7,360.38x = 11,039.49 × 2,430.18
  4. Step 4: Simplify right side
    7,360.38x = 26,827,947.81
  5. Step 5: Solve for x
    x = 26,827,947.81/7,360.38
  6. Step 6: Final answer
    x = 3,644.91

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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.