Home / 7,272.60-10,040.94-5,590.91

Finding the Fourth Proportional to 7,272.60, 10,040.94 and 5,590.91

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Solution

The fourth proportional to 7,272.60, 10,040.94 and 5,590.91 is: 7,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.60 : 10,040.94 = 5,590.91 : x
  2. Step 2: Convert to fraction form
    7,272.60/10,040.94 = 5,590.91/x
  3. Step 3: Cross multiply
    7,272.60x = 10,040.94 × 5,590.91
  4. Step 4: Simplify right side
    7,272.60x = 56,137,941.65
  5. Step 5: Solve for x
    x = 56,137,941.65/7,272.60
  6. Step 6: Final answer
    x = 7,719.10

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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.