Home / 4,666.79-6,441.12-2,678.72

Finding the Fourth Proportional to 4,666.79, 6,441.12 and 2,678.72

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Solution

The fourth proportional to 4,666.79, 6,441.12 and 2,678.72 is: 3,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.79 : 6,441.12 = 2,678.72 : x
  2. Step 2: Convert to fraction form
    4,666.79/6,441.12 = 2,678.72/x
  3. Step 3: Cross multiply
    4,666.79x = 6,441.12 × 2,678.72
  4. Step 4: Simplify right side
    4,666.79x = 17,253,924.76
  5. Step 5: Solve for x
    x = 17,253,924.76/4,666.79
  6. Step 6: Final answer
    x = 3,697.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.