Home / 4,253.77-6,381.87-1,332.91

Finding the Fourth Proportional to 4,253.77, 6,381.87 and 1,332.91

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Solution

The fourth proportional to 4,253.77, 6,381.87 and 1,332.91 is: 1,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.77 : 6,381.87 = 1,332.91 : x
  2. Step 2: Convert to fraction form
    4,253.77/6,381.87 = 1,332.91/x
  3. Step 3: Cross multiply
    4,253.77x = 6,381.87 × 1,332.91
  4. Step 4: Simplify right side
    4,253.77x = 8,506,458.34
  5. Step 5: Solve for x
    x = 8,506,458.34/4,253.77
  6. Step 6: Final answer
    x = 1,999.75

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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.