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Finding the Fourth Proportional to 4,502.79, 6,753.93 and 1,215.63

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Solution

The fourth proportional to 4,502.79, 6,753.93 and 1,215.63 is: 1,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,502.79 : 6,753.93 = 1,215.63 : x
  2. Step 2: Convert to fraction form
    4,502.79/6,753.93 = 1,215.63/x
  3. Step 3: Cross multiply
    4,502.79x = 6,753.93 × 1,215.63
  4. Step 4: Simplify right side
    4,502.79x = 8,210,301.20
  5. Step 5: Solve for x
    x = 8,210,301.20/4,502.79
  6. Step 6: Final answer
    x = 1,823.38

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1.5x scale

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.