Home / 7,649.09-10,555.90-4,292.14

Finding the Fourth Proportional to 7,649.09, 10,555.90 and 4,292.14

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Solution

The fourth proportional to 7,649.09, 10,555.90 and 4,292.14 is: 5,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.09 : 10,555.90 = 4,292.14 : x
  2. Step 2: Convert to fraction form
    7,649.09/10,555.90 = 4,292.14/x
  3. Step 3: Cross multiply
    7,649.09x = 10,555.90 × 4,292.14
  4. Step 4: Simplify right side
    7,649.09x = 45,307,437.75
  5. Step 5: Solve for x
    x = 45,307,437.75/7,649.09
  6. Step 6: Final answer
    x = 5,923.25

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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.