Home / 7,943.60-10,956.12-4,796.48

Finding the Fourth Proportional to 7,943.60, 10,956.12 and 4,796.48

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Solution

The fourth proportional to 7,943.60, 10,956.12 and 4,796.48 is: 6,615.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.60 : 10,956.12 = 4,796.48 : x
  2. Step 2: Convert to fraction form
    7,943.60/10,956.12 = 4,796.48/x
  3. Step 3: Cross multiply
    7,943.60x = 10,956.12 × 4,796.48
  4. Step 4: Simplify right side
    7,943.60x = 52,550,810.46
  5. Step 5: Solve for x
    x = 52,550,810.46/7,943.60
  6. Step 6: Final answer
    x = 6,615.49

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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.