Home / 5,279.60-7,285.76-3,041.47

Finding the Fourth Proportional to 5,279.60, 7,285.76 and 3,041.47

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Solution

The fourth proportional to 5,279.60, 7,285.76 and 3,041.47 is: 4,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.60 : 7,285.76 = 3,041.47 : x
  2. Step 2: Convert to fraction form
    5,279.60/7,285.76 = 3,041.47/x
  3. Step 3: Cross multiply
    5,279.60x = 7,285.76 × 3,041.47
  4. Step 4: Simplify right side
    5,279.60x = 22,159,405.26
  5. Step 5: Solve for x
    x = 22,159,405.26/5,279.60
  6. Step 6: Final answer
    x = 4,197.18

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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.