Home / 7,561.28-11,327.16-4,264.40

Finding the Fourth Proportional to 7,561.28, 11,327.16 and 4,264.40

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Solution

The fourth proportional to 7,561.28, 11,327.16 and 4,264.40 is: 6,388.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.28 : 11,327.16 = 4,264.40 : x
  2. Step 2: Convert to fraction form
    7,561.28/11,327.16 = 4,264.40/x
  3. Step 3: Cross multiply
    7,561.28x = 11,327.16 × 4,264.40
  4. Step 4: Simplify right side
    7,561.28x = 48,303,541.10
  5. Step 5: Solve for x
    x = 48,303,541.10/7,561.28
  6. Step 6: Final answer
    x = 6,388.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.