Home / 7,108.32-10,685.44-6,590.72

Finding the Fourth Proportional to 7,108.32, 10,685.44 and 6,590.72

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Solution

The fourth proportional to 7,108.32, 10,685.44 and 6,590.72 is: 9,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.32 : 10,685.44 = 6,590.72 : x
  2. Step 2: Convert to fraction form
    7,108.32/10,685.44 = 6,590.72/x
  3. Step 3: Cross multiply
    7,108.32x = 10,685.44 × 6,590.72
  4. Step 4: Simplify right side
    7,108.32x = 70,424,743.12
  5. Step 5: Solve for x
    x = 70,424,743.12/7,108.32
  6. Step 6: Final answer
    x = 9,907.37

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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.