Home / 4,649.81-6,416.01-2,972.70

Finding the Fourth Proportional to 4,649.81, 6,416.01 and 2,972.70

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Solution

The fourth proportional to 4,649.81, 6,416.01 and 2,972.70 is: 4,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649.81 : 6,416.01 = 2,972.70 : x
  2. Step 2: Convert to fraction form
    4,649.81/6,416.01 = 2,972.70/x
  3. Step 3: Cross multiply
    4,649.81x = 6,416.01 × 2,972.70
  4. Step 4: Simplify right side
    4,649.81x = 19,072,872.93
  5. Step 5: Solve for x
    x = 19,072,872.93/4,649.81
  6. Step 6: Final answer
    x = 4,101.87

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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.