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Finding the Fourth Proportional to 5,684, 8,526.48 and 1,580

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Solution

The fourth proportional to 5,684, 8,526.48 and 1,580 is: 2,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,684 : 8,526.48 = 1,580 : x
  2. Step 2: Convert to fraction form
    5,684/8,526.48 = 1,580/x
  3. Step 3: Cross multiply
    5,684x = 8,526.48 × 1,580
  4. Step 4: Simplify right side
    5,684x = 13,471,838.40
  5. Step 5: Solve for x
    x = 13,471,838.40/5,684
  6. Step 6: Final answer
    x = 2,370.13

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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.