Home / 7,276.26-10,040.76-4,291.40

Finding the Fourth Proportional to 7,276.26, 10,040.76 and 4,291.40

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Solution

The fourth proportional to 7,276.26, 10,040.76 and 4,291.40 is: 5,921.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.26 : 10,040.76 = 4,291.40 : x
  2. Step 2: Convert to fraction form
    7,276.26/10,040.76 = 4,291.40/x
  3. Step 3: Cross multiply
    7,276.26x = 10,040.76 × 4,291.40
  4. Step 4: Simplify right side
    7,276.26x = 43,088,917.46
  5. Step 5: Solve for x
    x = 43,088,917.46/7,276.26
  6. Step 6: Final answer
    x = 5,921.85

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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.