Home / 5,279.60-7,283.56-3,182.52

Finding the Fourth Proportional to 5,279.60, 7,283.56 and 3,182.52

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Solution

The fourth proportional to 5,279.60, 7,283.56 and 3,182.52 is: 4,390.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.60 : 7,283.56 = 3,182.52 : x
  2. Step 2: Convert to fraction form
    5,279.60/7,283.56 = 3,182.52/x
  3. Step 3: Cross multiply
    5,279.60x = 7,283.56 × 3,182.52
  4. Step 4: Simplify right side
    5,279.60x = 23,180,075.37
  5. Step 5: Solve for x
    x = 23,180,075.37/5,279.60
  6. Step 6: Final answer
    x = 4,390.50

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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.