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Finding the Fourth Proportional to 7,697.84, 11,547.98 and 2,502.50

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Solution

The fourth proportional to 7,697.84, 11,547.98 and 2,502.50 is: 3,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,697.84 : 11,547.98 = 2,502.50 : x
  2. Step 2: Convert to fraction form
    7,697.84/11,547.98 = 2,502.50/x
  3. Step 3: Cross multiply
    7,697.84x = 11,547.98 × 2,502.50
  4. Step 4: Simplify right side
    7,697.84x = 28,898,807.44
  5. Step 5: Solve for x
    x = 28,898,807.44/7,697.84
  6. Step 6: Final answer
    x = 3,754.14

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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.