Home / 7,913.60-10,921.33-4,376.73

Finding the Fourth Proportional to 7,913.60, 10,921.33 and 4,376.73

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Solution

The fourth proportional to 7,913.60, 10,921.33 and 4,376.73 is: 6,040.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.60 : 10,921.33 = 4,376.73 : x
  2. Step 2: Convert to fraction form
    7,913.60/10,921.33 = 4,376.73/x
  3. Step 3: Cross multiply
    7,913.60x = 10,921.33 × 4,376.73
  4. Step 4: Simplify right side
    7,913.60x = 47,799,759.08
  5. Step 5: Solve for x
    x = 47,799,759.08/7,913.60
  6. Step 6: Final answer
    x = 6,040.21

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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.