Home / 4,430.17-6,646.77-2,784.79

Finding the Fourth Proportional to 4,430.17, 6,646.77 and 2,784.79

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Solution

The fourth proportional to 4,430.17, 6,646.77 and 2,784.79 is: 4,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.17 : 6,646.77 = 2,784.79 : x
  2. Step 2: Convert to fraction form
    4,430.17/6,646.77 = 2,784.79/x
  3. Step 3: Cross multiply
    4,430.17x = 6,646.77 × 2,784.79
  4. Step 4: Simplify right side
    4,430.17x = 18,509,844.70
  5. Step 5: Solve for x
    x = 18,509,844.70/4,430.17
  6. Step 6: Final answer
    x = 4,178.13

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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.