Home / 6,437.05-8,878.55-5,907.64

Finding the Fourth Proportional to 6,437.05, 8,878.55 and 5,907.64

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Solution

The fourth proportional to 6,437.05, 8,878.55 and 5,907.64 is: 8,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.05 : 8,878.55 = 5,907.64 : x
  2. Step 2: Convert to fraction form
    6,437.05/8,878.55 = 5,907.64/x
  3. Step 3: Cross multiply
    6,437.05x = 8,878.55 × 5,907.64
  4. Step 4: Simplify right side
    6,437.05x = 52,451,247.58
  5. Step 5: Solve for x
    x = 52,451,247.58/6,437.05
  6. Step 6: Final answer
    x = 8,148.34

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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.