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Finding the Fourth Proportional to 5,870.86, 8,806.48 and 2,947.56

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Solution

The fourth proportional to 5,870.86, 8,806.48 and 2,947.56 is: 4,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.86 : 8,806.48 = 2,947.56 : x
  2. Step 2: Convert to fraction form
    5,870.86/8,806.48 = 2,947.56/x
  3. Step 3: Cross multiply
    5,870.86x = 8,806.48 × 2,947.56
  4. Step 4: Simplify right side
    5,870.86x = 25,957,628.19
  5. Step 5: Solve for x
    x = 25,957,628.19/5,870.86
  6. Step 6: Final answer
    x = 4,421.44

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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.