Home / 4,130.48-6,193.28-1,939.76

Finding the Fourth Proportional to 4,130.48, 6,193.28 and 1,939.76

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Solution

The fourth proportional to 4,130.48, 6,193.28 and 1,939.76 is: 2,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.48 : 6,193.28 = 1,939.76 : x
  2. Step 2: Convert to fraction form
    4,130.48/6,193.28 = 1,939.76/x
  3. Step 3: Cross multiply
    4,130.48x = 6,193.28 × 1,939.76
  4. Step 4: Simplify right side
    4,130.48x = 12,013,476.81
  5. Step 5: Solve for x
    x = 12,013,476.81/4,130.48
  6. Step 6: Final answer
    x = 2,908.49

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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.