Home / 4,977.48-6,870.46-3,209.08

Finding the Fourth Proportional to 4,977.48, 6,870.46 and 3,209.08

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Solution

The fourth proportional to 4,977.48, 6,870.46 and 3,209.08 is: 4,429.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.48 : 6,870.46 = 3,209.08 : x
  2. Step 2: Convert to fraction form
    4,977.48/6,870.46 = 3,209.08/x
  3. Step 3: Cross multiply
    4,977.48x = 6,870.46 × 3,209.08
  4. Step 4: Simplify right side
    4,977.48x = 22,047,855.78
  5. Step 5: Solve for x
    x = 22,047,855.78/4,977.48
  6. Step 6: Final answer
    x = 4,429.52

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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.