Home / 7,335.62-10,122.63-4,191.74

Finding the Fourth Proportional to 7,335.62, 10,122.63 and 4,191.74

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Solution

The fourth proportional to 7,335.62, 10,122.63 and 4,191.74 is: 5,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.62 : 10,122.63 = 4,191.74 : x
  2. Step 2: Convert to fraction form
    7,335.62/10,122.63 = 4,191.74/x
  3. Step 3: Cross multiply
    7,335.62x = 10,122.63 × 4,191.74
  4. Step 4: Simplify right side
    7,335.62x = 42,431,433.08
  5. Step 5: Solve for x
    x = 42,431,433.08/7,335.62
  6. Step 6: Final answer
    x = 5,784.30

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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.