Home / 4,880.50-7,320.87-1,760.77

Finding the Fourth Proportional to 4,880.50, 7,320.87 and 1,760.77

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Solution

The fourth proportional to 4,880.50, 7,320.87 and 1,760.77 is: 2,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.50 : 7,320.87 = 1,760.77 : x
  2. Step 2: Convert to fraction form
    4,880.50/7,320.87 = 1,760.77/x
  3. Step 3: Cross multiply
    4,880.50x = 7,320.87 × 1,760.77
  4. Step 4: Simplify right side
    4,880.50x = 12,890,368.27
  5. Step 5: Solve for x
    x = 12,890,368.27/4,880.50
  6. Step 6: Final answer
    x = 2,641.20

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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.