Home / 7,350.22-10,143.30-4,206.40

Finding the Fourth Proportional to 7,350.22, 10,143.30 and 4,206.40

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Solution

The fourth proportional to 7,350.22, 10,143.30 and 4,206.40 is: 5,804.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.22 : 10,143.30 = 4,206.40 : x
  2. Step 2: Convert to fraction form
    7,350.22/10,143.30 = 4,206.40/x
  3. Step 3: Cross multiply
    7,350.22x = 10,143.30 × 4,206.40
  4. Step 4: Simplify right side
    7,350.22x = 42,666,777.12
  5. Step 5: Solve for x
    x = 42,666,777.12/7,350.22
  6. Step 6: Final answer
    x = 5,804.83

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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.