Home / 7,072.65-9,760.10-4,555.35

Finding the Fourth Proportional to 7,072.65, 9,760.10 and 4,555.35

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Solution

The fourth proportional to 7,072.65, 9,760.10 and 4,555.35 is: 6,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.65 : 9,760.10 = 4,555.35 : x
  2. Step 2: Convert to fraction form
    7,072.65/9,760.10 = 4,555.35/x
  3. Step 3: Cross multiply
    7,072.65x = 9,760.10 × 4,555.35
  4. Step 4: Simplify right side
    7,072.65x = 44,460,648.76
  5. Step 5: Solve for x
    x = 44,460,648.76/7,072.65
  6. Step 6: Final answer
    x = 6,286.28

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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.