Home / 9,285.04-12,815.16-5,506.72

Finding the Fourth Proportional to 9,285.04, 12,815.16 and 5,506.72

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Solution

The fourth proportional to 9,285.04, 12,815.16 and 5,506.72 is: 7,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.04 : 12,815.16 = 5,506.72 : x
  2. Step 2: Convert to fraction form
    9,285.04/12,815.16 = 5,506.72/x
  3. Step 3: Cross multiply
    9,285.04x = 12,815.16 × 5,506.72
  4. Step 4: Simplify right side
    9,285.04x = 70,569,497.88
  5. Step 5: Solve for x
    x = 70,569,497.88/9,285.04
  6. Step 6: Final answer
    x = 7,600.34

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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.