Home / 7,015.47-10,537.22-4,387.65

Finding the Fourth Proportional to 7,015.47, 10,537.22 and 4,387.65

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Solution

The fourth proportional to 7,015.47, 10,537.22 and 4,387.65 is: 6,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.47 : 10,537.22 = 4,387.65 : x
  2. Step 2: Convert to fraction form
    7,015.47/10,537.22 = 4,387.65/x
  3. Step 3: Cross multiply
    7,015.47x = 10,537.22 × 4,387.65
  4. Step 4: Simplify right side
    7,015.47x = 46,233,633.33
  5. Step 5: Solve for x
    x = 46,233,633.33/7,015.47
  6. Step 6: Final answer
    x = 6,590.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.