Home / 7,539.28-10,403.08-4,226.64

Finding the Fourth Proportional to 7,539.28, 10,403.08 and 4,226.64

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Solution

The fourth proportional to 7,539.28, 10,403.08 and 4,226.64 is: 5,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.28 : 10,403.08 = 4,226.64 : x
  2. Step 2: Convert to fraction form
    7,539.28/10,403.08 = 4,226.64/x
  3. Step 3: Cross multiply
    7,539.28x = 10,403.08 × 4,226.64
  4. Step 4: Simplify right side
    7,539.28x = 43,970,074.05
  5. Step 5: Solve for x
    x = 43,970,074.05/7,539.28
  6. Step 6: Final answer
    x = 5,832.13

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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.