Home / 7,447.50-10,276.78-4,463.26

Finding the Fourth Proportional to 7,447.50, 10,276.78 and 4,463.26

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Solution

The fourth proportional to 7,447.50, 10,276.78 and 4,463.26 is: 6,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.50 : 10,276.78 = 4,463.26 : x
  2. Step 2: Convert to fraction form
    7,447.50/10,276.78 = 4,463.26/x
  3. Step 3: Cross multiply
    7,447.50x = 10,276.78 × 4,463.26
  4. Step 4: Simplify right side
    7,447.50x = 45,867,941.10
  5. Step 5: Solve for x
    x = 45,867,941.10/7,447.50
  6. Step 6: Final answer
    x = 6,158.84

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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.