Home / 6,807.18-10,210.78-1,876.88

Finding the Fourth Proportional to 6,807.18, 10,210.78 and 1,876.88

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Solution

The fourth proportional to 6,807.18, 10,210.78 and 1,876.88 is: 2,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.18 : 10,210.78 = 1,876.88 : x
  2. Step 2: Convert to fraction form
    6,807.18/10,210.78 = 1,876.88/x
  3. Step 3: Cross multiply
    6,807.18x = 10,210.78 × 1,876.88
  4. Step 4: Simplify right side
    6,807.18x = 19,164,408.77
  5. Step 5: Solve for x
    x = 19,164,408.77/6,807.18
  6. Step 6: Final answer
    x = 2,815.32

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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.