Home / 7,433.08-10,257.50-4,121.08

Finding the Fourth Proportional to 7,433.08, 10,257.50 and 4,121.08

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Solution

The fourth proportional to 7,433.08, 10,257.50 and 4,121.08 is: 5,687.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433.08 : 10,257.50 = 4,121.08 : x
  2. Step 2: Convert to fraction form
    7,433.08/10,257.50 = 4,121.08/x
  3. Step 3: Cross multiply
    7,433.08x = 10,257.50 × 4,121.08
  4. Step 4: Simplify right side
    7,433.08x = 42,271,978.10
  5. Step 5: Solve for x
    x = 42,271,978.10/7,433.08
  6. Step 6: Final answer
    x = 5,687.01

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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.