Home / 7,343.80-10,134.95-4,157.10

Finding the Fourth Proportional to 7,343.80, 10,134.95 and 4,157.10

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Solution

The fourth proportional to 7,343.80, 10,134.95 and 4,157.10 is: 5,737.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.80 : 10,134.95 = 4,157.10 : x
  2. Step 2: Convert to fraction form
    7,343.80/10,134.95 = 4,157.10/x
  3. Step 3: Cross multiply
    7,343.80x = 10,134.95 × 4,157.10
  4. Step 4: Simplify right side
    7,343.80x = 42,131,979.86
  5. Step 5: Solve for x
    x = 42,131,979.86/7,343.80
  6. Step 6: Final answer
    x = 5,737.08

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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.