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Finding the Fourth Proportional to 4,635.99, 6,953.99 and 1,125.98

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Solution

The fourth proportional to 4,635.99, 6,953.99 and 1,125.98 is: 1,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,635.99 : 6,953.99 = 1,125.98 : x
  2. Step 2: Convert to fraction form
    4,635.99/6,953.99 = 1,125.98/x
  3. Step 3: Cross multiply
    4,635.99x = 6,953.99 × 1,125.98
  4. Step 4: Simplify right side
    4,635.99x = 7,830,013.26
  5. Step 5: Solve for x
    x = 7,830,013.26/4,635.99
  6. Step 6: Final answer
    x = 1,688.96

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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.