Home / 4,707.90-7,061.58-1,785.96

Finding the Fourth Proportional to 4,707.90, 7,061.58 and 1,785.96

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Solution

The fourth proportional to 4,707.90, 7,061.58 and 1,785.96 is: 2,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.90 : 7,061.58 = 1,785.96 : x
  2. Step 2: Convert to fraction form
    4,707.90/7,061.58 = 1,785.96/x
  3. Step 3: Cross multiply
    4,707.90x = 7,061.58 × 1,785.96
  4. Step 4: Simplify right side
    4,707.90x = 12,611,699.42
  5. Step 5: Solve for x
    x = 12,611,699.42/4,707.90
  6. Step 6: Final answer
    x = 2,678.84

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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.