Home / 4,186.40-6,281.20-1,876.24

Finding the Fourth Proportional to 4,186.40, 6,281.20 and 1,876.24

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Solution

The fourth proportional to 4,186.40, 6,281.20 and 1,876.24 is: 2,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.40 : 6,281.20 = 1,876.24 : x
  2. Step 2: Convert to fraction form
    4,186.40/6,281.20 = 1,876.24/x
  3. Step 3: Cross multiply
    4,186.40x = 6,281.20 × 1,876.24
  4. Step 4: Simplify right side
    4,186.40x = 11,785,038.69
  5. Step 5: Solve for x
    x = 11,785,038.69/4,186.40
  6. Step 6: Final answer
    x = 2,815.08

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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.