Home / 7,641.47-11,455.36-4,860.34

Finding the Fourth Proportional to 7,641.47, 11,455.36 and 4,860.34

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Solution

The fourth proportional to 7,641.47, 11,455.36 and 4,860.34 is: 7,286.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.47 : 11,455.36 = 4,860.34 : x
  2. Step 2: Convert to fraction form
    7,641.47/11,455.36 = 4,860.34/x
  3. Step 3: Cross multiply
    7,641.47x = 11,455.36 × 4,860.34
  4. Step 4: Simplify right side
    7,641.47x = 55,676,903.63
  5. Step 5: Solve for x
    x = 55,676,903.63/7,641.47
  6. Step 6: Final answer
    x = 7,286.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.