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Finding the Fourth Proportional to 5,346.89, 8,019.95 and 1,648.74

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Solution

The fourth proportional to 5,346.89, 8,019.95 and 1,648.74 is: 2,472.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.89 : 8,019.95 = 1,648.74 : x
  2. Step 2: Convert to fraction form
    5,346.89/8,019.95 = 1,648.74/x
  3. Step 3: Cross multiply
    5,346.89x = 8,019.95 × 1,648.74
  4. Step 4: Simplify right side
    5,346.89x = 13,222,812.36
  5. Step 5: Solve for x
    x = 13,222,812.36/5,346.89
  6. Step 6: Final answer
    x = 2,472.99

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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.