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Finding the Fourth Proportional to 6,492.45, 9,738.69 and 1,875.45

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Solution

The fourth proportional to 6,492.45, 9,738.69 and 1,875.45 is: 2,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492.45 : 9,738.69 = 1,875.45 : x
  2. Step 2: Convert to fraction form
    6,492.45/9,738.69 = 1,875.45/x
  3. Step 3: Cross multiply
    6,492.45x = 9,738.69 × 1,875.45
  4. Step 4: Simplify right side
    6,492.45x = 18,264,426.16
  5. Step 5: Solve for x
    x = 18,264,426.16/6,492.45
  6. Step 6: Final answer
    x = 2,813.18

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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.