Home / 4,776.77-7,158.64-1,813.63

Finding the Fourth Proportional to 4,776.77, 7,158.64 and 1,813.63

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Solution

The fourth proportional to 4,776.77, 7,158.64 and 1,813.63 is: 2,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.77 : 7,158.64 = 1,813.63 : x
  2. Step 2: Convert to fraction form
    4,776.77/7,158.64 = 1,813.63/x
  3. Step 3: Cross multiply
    4,776.77x = 7,158.64 × 1,813.63
  4. Step 4: Simplify right side
    4,776.77x = 12,983,117.90
  5. Step 5: Solve for x
    x = 12,983,117.90/4,776.77
  6. Step 6: Final answer
    x = 2,717.97

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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.