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Finding the Fourth Proportional to 6,483.45, 8,943.56 and 4,248.93

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Solution

The fourth proportional to 6,483.45, 8,943.56 and 4,248.93 is: 5,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.45 : 8,943.56 = 4,248.93 : x
  2. Step 2: Convert to fraction form
    6,483.45/8,943.56 = 4,248.93/x
  3. Step 3: Cross multiply
    6,483.45x = 8,943.56 × 4,248.93
  4. Step 4: Simplify right side
    6,483.45x = 38,000,612.52
  5. Step 5: Solve for x
    x = 38,000,612.52/6,483.45
  6. Step 6: Final answer
    x = 5,861.17

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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.