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Finding the Fourth Proportional to 5,527, 8,288.88 and 1,630.48

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Solution

The fourth proportional to 5,527, 8,288.88 and 1,630.48 is: 2,445.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527 : 8,288.88 = 1,630.48 : x
  2. Step 2: Convert to fraction form
    5,527/8,288.88 = 1,630.48/x
  3. Step 3: Cross multiply
    5,527x = 8,288.88 × 1,630.48
  4. Step 4: Simplify right side
    5,527x = 13,514,853.06
  5. Step 5: Solve for x
    x = 13,514,853.06/5,527
  6. Step 6: Final answer
    x = 2,445.24

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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.