Home / 5,217.04-7,827.31-1,707.21

Finding the Fourth Proportional to 5,217.04, 7,827.31 and 1,707.21

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Solution

The fourth proportional to 5,217.04, 7,827.31 and 1,707.21 is: 2,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.04 : 7,827.31 = 1,707.21 : x
  2. Step 2: Convert to fraction form
    5,217.04/7,827.31 = 1,707.21/x
  3. Step 3: Cross multiply
    5,217.04x = 7,827.31 × 1,707.21
  4. Step 4: Simplify right side
    5,217.04x = 13,362,861.91
  5. Step 5: Solve for x
    x = 13,362,861.91/5,217.04
  6. Step 6: Final answer
    x = 2,561.39

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1.5x scale

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.