Home / 7,905.68-10,909.40-4,368.66

Finding the Fourth Proportional to 7,905.68, 10,909.40 and 4,368.66

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Solution

The fourth proportional to 7,905.68, 10,909.40 and 4,368.66 is: 6,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.68 : 10,909.40 = 4,368.66 : x
  2. Step 2: Convert to fraction form
    7,905.68/10,909.40 = 4,368.66/x
  3. Step 3: Cross multiply
    7,905.68x = 10,909.40 × 4,368.66
  4. Step 4: Simplify right side
    7,905.68x = 47,659,470.33
  5. Step 5: Solve for x
    x = 47,659,470.33/7,905.68
  6. Step 6: Final answer
    x = 6,028.51

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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.