Home / 7,279.22-10,037.38-4,917.26

Finding the Fourth Proportional to 7,279.22, 10,037.38 and 4,917.26

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Solution

The fourth proportional to 7,279.22, 10,037.38 and 4,917.26 is: 6,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.22 : 10,037.38 = 4,917.26 : x
  2. Step 2: Convert to fraction form
    7,279.22/10,037.38 = 4,917.26/x
  3. Step 3: Cross multiply
    7,279.22x = 10,037.38 × 4,917.26
  4. Step 4: Simplify right side
    7,279.22x = 49,356,407.18
  5. Step 5: Solve for x
    x = 49,356,407.18/7,279.22
  6. Step 6: Final answer
    x = 6,780.45

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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.