Home / 7,385.28-10,192.29-4,199.57

Finding the Fourth Proportional to 7,385.28, 10,192.29 and 4,199.57

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Solution

The fourth proportional to 7,385.28, 10,192.29 and 4,199.57 is: 5,795.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.28 : 10,192.29 = 4,199.57 : x
  2. Step 2: Convert to fraction form
    7,385.28/10,192.29 = 4,199.57/x
  3. Step 3: Cross multiply
    7,385.28x = 10,192.29 × 4,199.57
  4. Step 4: Simplify right side
    7,385.28x = 42,803,235.32
  5. Step 5: Solve for x
    x = 42,803,235.32/7,385.28
  6. Step 6: Final answer
    x = 5,795.75

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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.