Home / 7,319.60-10,100.40-4,334.93

Finding the Fourth Proportional to 7,319.60, 10,100.40 and 4,334.93

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Solution

The fourth proportional to 7,319.60, 10,100.40 and 4,334.93 is: 5,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.60 : 10,100.40 = 4,334.93 : x
  2. Step 2: Convert to fraction form
    7,319.60/10,100.40 = 4,334.93/x
  3. Step 3: Cross multiply
    7,319.60x = 10,100.40 × 4,334.93
  4. Step 4: Simplify right side
    7,319.60x = 43,784,526.97
  5. Step 5: Solve for x
    x = 43,784,526.97/7,319.60
  6. Step 6: Final answer
    x = 5,981.82

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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.