Home / 7,649.60-10,555.58-4,291.96

Finding the Fourth Proportional to 7,649.60, 10,555.58 and 4,291.96

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Solution

The fourth proportional to 7,649.60, 10,555.58 and 4,291.96 is: 5,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.60 : 10,555.58 = 4,291.96 : x
  2. Step 2: Convert to fraction form
    7,649.60/10,555.58 = 4,291.96/x
  3. Step 3: Cross multiply
    7,649.60x = 10,555.58 × 4,291.96
  4. Step 4: Simplify right side
    7,649.60x = 45,304,127.14
  5. Step 5: Solve for x
    x = 45,304,127.14/7,649.60
  6. Step 6: Final answer
    x = 5,922.42

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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.