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Finding the Fourth Proportional to 6,275.87, 8,655.86 and 4,596.67

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Solution

The fourth proportional to 6,275.87, 8,655.86 and 4,596.67 is: 6,339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.87 : 8,655.86 = 4,596.67 : x
  2. Step 2: Convert to fraction form
    6,275.87/8,655.86 = 4,596.67/x
  3. Step 3: Cross multiply
    6,275.87x = 8,655.86 × 4,596.67
  4. Step 4: Simplify right side
    6,275.87x = 39,788,131.99
  5. Step 5: Solve for x
    x = 39,788,131.99/6,275.87
  6. Step 6: Final answer
    x = 6,339.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.