Home / 7,636.95-10,539.63-4,279.71

Finding the Fourth Proportional to 7,636.95, 10,539.63 and 4,279.71

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Solution

The fourth proportional to 7,636.95, 10,539.63 and 4,279.71 is: 5,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.95 : 10,539.63 = 4,279.71 : x
  2. Step 2: Convert to fraction form
    7,636.95/10,539.63 = 4,279.71/x
  3. Step 3: Cross multiply
    7,636.95x = 10,539.63 × 4,279.71
  4. Step 4: Simplify right side
    7,636.95x = 45,106,559.91
  5. Step 5: Solve for x
    x = 45,106,559.91/7,636.95
  6. Step 6: Final answer
    x = 5,906.36

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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.