Home / 6,219.34-8,582.49-3,700.87

Finding the Fourth Proportional to 6,219.34, 8,582.49 and 3,700.87

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Solution

The fourth proportional to 6,219.34, 8,582.49 and 3,700.87 is: 5,107.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.34 : 8,582.49 = 3,700.87 : x
  2. Step 2: Convert to fraction form
    6,219.34/8,582.49 = 3,700.87/x
  3. Step 3: Cross multiply
    6,219.34x = 8,582.49 × 3,700.87
  4. Step 4: Simplify right side
    6,219.34x = 31,762,679.77
  5. Step 5: Solve for x
    x = 31,762,679.77/6,219.34
  6. Step 6: Final answer
    x = 5,107.08

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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.