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Finding the Fourth Proportional to 4,439, 6,126.64 and 3,114.74

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Solution

The fourth proportional to 4,439, 6,126.64 and 3,114.74 is: 4,298.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439 : 6,126.64 = 3,114.74 : x
  2. Step 2: Convert to fraction form
    4,439/6,126.64 = 3,114.74/x
  3. Step 3: Cross multiply
    4,439x = 6,126.64 × 3,114.74
  4. Step 4: Simplify right side
    4,439x = 19,082,890.67
  5. Step 5: Solve for x
    x = 19,082,890.67/4,439
  6. Step 6: Final answer
    x = 4,298.92

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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.