Home / 4,991.34-7,485.14-1,658.96

Finding the Fourth Proportional to 4,991.34, 7,485.14 and 1,658.96

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Solution

The fourth proportional to 4,991.34, 7,485.14 and 1,658.96 is: 2,487.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.34 : 7,485.14 = 1,658.96 : x
  2. Step 2: Convert to fraction form
    4,991.34/7,485.14 = 1,658.96/x
  3. Step 3: Cross multiply
    4,991.34x = 7,485.14 × 1,658.96
  4. Step 4: Simplify right side
    4,991.34x = 12,417,547.85
  5. Step 5: Solve for x
    x = 12,417,547.85/4,991.34
  6. Step 6: Final answer
    x = 2,487.82

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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.