Home / 5,614.18-8,420.95-1,718.58

Finding the Fourth Proportional to 5,614.18, 8,420.95 and 1,718.58

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Solution

The fourth proportional to 5,614.18, 8,420.95 and 1,718.58 is: 2,577.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.18 : 8,420.95 = 1,718.58 : x
  2. Step 2: Convert to fraction form
    5,614.18/8,420.95 = 1,718.58/x
  3. Step 3: Cross multiply
    5,614.18x = 8,420.95 × 1,718.58
  4. Step 4: Simplify right side
    5,614.18x = 14,472,076.25
  5. Step 5: Solve for x
    x = 14,472,076.25/5,614.18
  6. Step 6: Final answer
    x = 2,577.77

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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.