Home / 7,459.80-11,196.90-6,365.40

Finding the Fourth Proportional to 7,459.80, 11,196.90 and 6,365.40

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Solution

The fourth proportional to 7,459.80, 11,196.90 and 6,365.40 is: 9,554.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.80 : 11,196.90 = 6,365.40 : x
  2. Step 2: Convert to fraction form
    7,459.80/11,196.90 = 6,365.40/x
  3. Step 3: Cross multiply
    7,459.80x = 11,196.90 × 6,365.40
  4. Step 4: Simplify right side
    7,459.80x = 71,272,747.26
  5. Step 5: Solve for x
    x = 71,272,747.26/7,459.80
  6. Step 6: Final answer
    x = 9,554.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.