Home / 7,609.02-10,505.40-6,810.96

Finding the Fourth Proportional to 7,609.02, 10,505.40 and 6,810.96

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Solution

The fourth proportional to 7,609.02, 10,505.40 and 6,810.96 is: 9,403.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.02 : 10,505.40 = 6,810.96 : x
  2. Step 2: Convert to fraction form
    7,609.02/10,505.40 = 6,810.96/x
  3. Step 3: Cross multiply
    7,609.02x = 10,505.40 × 6,810.96
  4. Step 4: Simplify right side
    7,609.02x = 71,551,859.18
  5. Step 5: Solve for x
    x = 71,551,859.18/7,609.02
  6. Step 6: Final answer
    x = 9,403.56

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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.