Home / 7,288.13-10,055.34-4,305.02

Finding the Fourth Proportional to 7,288.13, 10,055.34 and 4,305.02

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Solution

The fourth proportional to 7,288.13, 10,055.34 and 4,305.02 is: 5,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.13 : 10,055.34 = 4,305.02 : x
  2. Step 2: Convert to fraction form
    7,288.13/10,055.34 = 4,305.02/x
  3. Step 3: Cross multiply
    7,288.13x = 10,055.34 × 4,305.02
  4. Step 4: Simplify right side
    7,288.13x = 43,288,439.81
  5. Step 5: Solve for x
    x = 43,288,439.81/7,288.13
  6. Step 6: Final answer
    x = 5,939.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.