Home / 7,607.07-10,499.36-4,420.89

Finding the Fourth Proportional to 7,607.07, 10,499.36 and 4,420.89

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Solution

The fourth proportional to 7,607.07, 10,499.36 and 4,420.89 is: 6,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.07 : 10,499.36 = 4,420.89 : x
  2. Step 2: Convert to fraction form
    7,607.07/10,499.36 = 4,420.89/x
  3. Step 3: Cross multiply
    7,607.07x = 10,499.36 × 4,420.89
  4. Step 4: Simplify right side
    7,607.07x = 46,416,493.53
  5. Step 5: Solve for x
    x = 46,416,493.53/7,607.07
  6. Step 6: Final answer
    x = 6,101.76

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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.