Home / 6,488.91-9,726.08-3,195.05

Finding the Fourth Proportional to 6,488.91, 9,726.08 and 3,195.05

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Solution

The fourth proportional to 6,488.91, 9,726.08 and 3,195.05 is: 4,788.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488.91 : 9,726.08 = 3,195.05 : x
  2. Step 2: Convert to fraction form
    6,488.91/9,726.08 = 3,195.05/x
  3. Step 3: Cross multiply
    6,488.91x = 9,726.08 × 3,195.05
  4. Step 4: Simplify right side
    6,488.91x = 31,075,247.30
  5. Step 5: Solve for x
    x = 31,075,247.30/6,488.91
  6. Step 6: Final answer
    x = 4,788.98

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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.