Home / 4,686.66-7,030.08-2,619.86

Finding the Fourth Proportional to 4,686.66, 7,030.08 and 2,619.86

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Solution

The fourth proportional to 4,686.66, 7,030.08 and 2,619.86 is: 3,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.66 : 7,030.08 = 2,619.86 : x
  2. Step 2: Convert to fraction form
    4,686.66/7,030.08 = 2,619.86/x
  3. Step 3: Cross multiply
    4,686.66x = 7,030.08 × 2,619.86
  4. Step 4: Simplify right side
    4,686.66x = 18,417,812.29
  5. Step 5: Solve for x
    x = 18,417,812.29/4,686.66
  6. Step 6: Final answer
    x = 3,929.84

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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.