Home / 7,237.00-9,987.30-4,252.78

Finding the Fourth Proportional to 7,237.00, 9,987.30 and 4,252.78

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Solution

The fourth proportional to 7,237.00, 9,987.30 and 4,252.78 is: 5,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.00 : 9,987.30 = 4,252.78 : x
  2. Step 2: Convert to fraction form
    7,237.00/9,987.30 = 4,252.78/x
  3. Step 3: Cross multiply
    7,237.00x = 9,987.30 × 4,252.78
  4. Step 4: Simplify right side
    7,237.00x = 42,473,774.09
  5. Step 5: Solve for x
    x = 42,473,774.09/7,237.00
  6. Step 6: Final answer
    x = 5,868.98

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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.