Home / 4,776.96-7,155.84-2,176.32

Finding the Fourth Proportional to 4,776.96, 7,155.84 and 2,176.32

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Solution

The fourth proportional to 4,776.96, 7,155.84 and 2,176.32 is: 3,260.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.96 : 7,155.84 = 2,176.32 : x
  2. Step 2: Convert to fraction form
    4,776.96/7,155.84 = 2,176.32/x
  3. Step 3: Cross multiply
    4,776.96x = 7,155.84 × 2,176.32
  4. Step 4: Simplify right side
    4,776.96x = 15,573,397.71
  5. Step 5: Solve for x
    x = 15,573,397.71/4,776.96
  6. Step 6: Final answer
    x = 3,260.11

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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.