Home / 7,905.52-10,908.66-4,368.79

Finding the Fourth Proportional to 7,905.52, 10,908.66 and 4,368.79

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Solution

The fourth proportional to 7,905.52, 10,908.66 and 4,368.79 is: 6,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.52 : 10,908.66 = 4,368.79 : x
  2. Step 2: Convert to fraction form
    7,905.52/10,908.66 = 4,368.79/x
  3. Step 3: Cross multiply
    7,905.52x = 10,908.66 × 4,368.79
  4. Step 4: Simplify right side
    7,905.52x = 47,657,644.72
  5. Step 5: Solve for x
    x = 47,657,644.72/7,905.52
  6. Step 6: Final answer
    x = 6,028.40

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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.