Home / 7,280.56-10,917.16-2,895.64

Finding the Fourth Proportional to 7,280.56, 10,917.16 and 2,895.64

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Solution

The fourth proportional to 7,280.56, 10,917.16 and 2,895.64 is: 4,342.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.56 : 10,917.16 = 2,895.64 : x
  2. Step 2: Convert to fraction form
    7,280.56/10,917.16 = 2,895.64/x
  3. Step 3: Cross multiply
    7,280.56x = 10,917.16 × 2,895.64
  4. Step 4: Simplify right side
    7,280.56x = 31,612,165.18
  5. Step 5: Solve for x
    x = 31,612,165.18/7,280.56
  6. Step 6: Final answer
    x = 4,342.00

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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.