Home / 4,678.96-6,411.20-4,635.76

Finding the Fourth Proportional to 4,678.96, 6,411.20 and 4,635.76

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Solution

The fourth proportional to 4,678.96, 6,411.20 and 4,635.76 is: 6,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.96 : 6,411.20 = 4,635.76 : x
  2. Step 2: Convert to fraction form
    4,678.96/6,411.20 = 4,635.76/x
  3. Step 3: Cross multiply
    4,678.96x = 6,411.20 × 4,635.76
  4. Step 4: Simplify right side
    4,678.96x = 29,720,784.51
  5. Step 5: Solve for x
    x = 29,720,784.51/4,678.96
  6. Step 6: Final answer
    x = 6,352.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.