Home / 8,880.56-12,255.58-5,104.95

Finding the Fourth Proportional to 8,880.56, 12,255.58 and 5,104.95

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Solution

The fourth proportional to 8,880.56, 12,255.58 and 5,104.95 is: 7,045.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.56 : 12,255.58 = 5,104.95 : x
  2. Step 2: Convert to fraction form
    8,880.56/12,255.58 = 5,104.95/x
  3. Step 3: Cross multiply
    8,880.56x = 12,255.58 × 5,104.95
  4. Step 4: Simplify right side
    8,880.56x = 62,564,123.12
  5. Step 5: Solve for x
    x = 62,564,123.12/8,880.56
  6. Step 6: Final answer
    x = 7,045.07

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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.