Home / 7,798.04-10,765.54-5,279.36

Finding the Fourth Proportional to 7,798.04, 10,765.54 and 5,279.36

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Solution

The fourth proportional to 7,798.04, 10,765.54 and 5,279.36 is: 7,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.04 : 10,765.54 = 5,279.36 : x
  2. Step 2: Convert to fraction form
    7,798.04/10,765.54 = 5,279.36/x
  3. Step 3: Cross multiply
    7,798.04x = 10,765.54 × 5,279.36
  4. Step 4: Simplify right side
    7,798.04x = 56,835,161.25
  5. Step 5: Solve for x
    x = 56,835,161.25/7,798.04
  6. Step 6: Final answer
    x = 7,288.39

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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.