Home / 4,880.30-7,312.05-2,277.90

Finding the Fourth Proportional to 4,880.30, 7,312.05 and 2,277.90

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Solution

The fourth proportional to 4,880.30, 7,312.05 and 2,277.90 is: 3,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.30 : 7,312.05 = 2,277.90 : x
  2. Step 2: Convert to fraction form
    4,880.30/7,312.05 = 2,277.90/x
  3. Step 3: Cross multiply
    4,880.30x = 7,312.05 × 2,277.90
  4. Step 4: Simplify right side
    4,880.30x = 16,656,118.70
  5. Step 5: Solve for x
    x = 16,656,118.70/4,880.30
  6. Step 6: Final answer
    x = 3,412.93

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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.