Home / 7,603.12-10,490.88-4,245.94

Finding the Fourth Proportional to 7,603.12, 10,490.88 and 4,245.94

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Solution

The fourth proportional to 7,603.12, 10,490.88 and 4,245.94 is: 5,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.12 : 10,490.88 = 4,245.94 : x
  2. Step 2: Convert to fraction form
    7,603.12/10,490.88 = 4,245.94/x
  3. Step 3: Cross multiply
    7,603.12x = 10,490.88 × 4,245.94
  4. Step 4: Simplify right side
    7,603.12x = 44,543,647.03
  5. Step 5: Solve for x
    x = 44,543,647.03/7,603.12
  6. Step 6: Final answer
    x = 5,858.60

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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.