Home / 5,589.29-7,712.87-3,070.91

Finding the Fourth Proportional to 5,589.29, 7,712.87 and 3,070.91

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Solution

The fourth proportional to 5,589.29, 7,712.87 and 3,070.91 is: 4,237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.29 : 7,712.87 = 3,070.91 : x
  2. Step 2: Convert to fraction form
    5,589.29/7,712.87 = 3,070.91/x
  3. Step 3: Cross multiply
    5,589.29x = 7,712.87 × 3,070.91
  4. Step 4: Simplify right side
    5,589.29x = 23,685,529.61
  5. Step 5: Solve for x
    x = 23,685,529.61/5,589.29
  6. Step 6: Final answer
    x = 4,237.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.