Home / 6,939-9,575.88-4,459.32

Finding the Fourth Proportional to 6,939, 9,575.88 and 4,459.32

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Solution

The fourth proportional to 6,939, 9,575.88 and 4,459.32 is: 6,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939 : 9,575.88 = 4,459.32 : x
  2. Step 2: Convert to fraction form
    6,939/9,575.88 = 4,459.32/x
  3. Step 3: Cross multiply
    6,939x = 9,575.88 × 4,459.32
  4. Step 4: Simplify right side
    6,939x = 42,701,913.20
  5. Step 5: Solve for x
    x = 42,701,913.20/6,939
  6. Step 6: Final answer
    x = 6,153.90

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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.