Home / 7,390.80-10,200.33-4,246.92

Finding the Fourth Proportional to 7,390.80, 10,200.33 and 4,246.92

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Solution

The fourth proportional to 7,390.80, 10,200.33 and 4,246.92 is: 5,861.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.80 : 10,200.33 = 4,246.92 : x
  2. Step 2: Convert to fraction form
    7,390.80/10,200.33 = 4,246.92/x
  3. Step 3: Cross multiply
    7,390.80x = 10,200.33 × 4,246.92
  4. Step 4: Simplify right side
    7,390.80x = 43,319,985.48
  5. Step 5: Solve for x
    x = 43,319,985.48/7,390.80
  6. Step 6: Final answer
    x = 5,861.34

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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.