Home / 4,920.65-7,377.08-2,454.20

Finding the Fourth Proportional to 4,920.65, 7,377.08 and 2,454.20

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Solution

The fourth proportional to 4,920.65, 7,377.08 and 2,454.20 is: 3,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.65 : 7,377.08 = 2,454.20 : x
  2. Step 2: Convert to fraction form
    4,920.65/7,377.08 = 2,454.20/x
  3. Step 3: Cross multiply
    4,920.65x = 7,377.08 × 2,454.20
  4. Step 4: Simplify right side
    4,920.65x = 18,104,808.24
  5. Step 5: Solve for x
    x = 18,104,808.24/4,920.65
  6. Step 6: Final answer
    x = 3,679.35

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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.