Home / 9,280.83-12,803.90-5,299.89

Finding the Fourth Proportional to 9,280.83, 12,803.90 and 5,299.89

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Solution

The fourth proportional to 9,280.83, 12,803.90 and 5,299.89 is: 7,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.83 : 12,803.90 = 5,299.89 : x
  2. Step 2: Convert to fraction form
    9,280.83/12,803.90 = 5,299.89/x
  3. Step 3: Cross multiply
    9,280.83x = 12,803.90 × 5,299.89
  4. Step 4: Simplify right side
    9,280.83x = 67,859,261.57
  5. Step 5: Solve for x
    x = 67,859,261.57/9,280.83
  6. Step 6: Final answer
    x = 7,311.77

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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.