Home / 7,451.28-10,270.08-5,089.32

Finding the Fourth Proportional to 7,451.28, 10,270.08 and 5,089.32

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Solution

The fourth proportional to 7,451.28, 10,270.08 and 5,089.32 is: 7,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.28 : 10,270.08 = 5,089.32 : x
  2. Step 2: Convert to fraction form
    7,451.28/10,270.08 = 5,089.32/x
  3. Step 3: Cross multiply
    7,451.28x = 10,270.08 × 5,089.32
  4. Step 4: Simplify right side
    7,451.28x = 52,267,723.55
  5. Step 5: Solve for x
    x = 52,267,723.55/7,451.28
  6. Step 6: Final answer
    x = 7,014.60

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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.