Home / 7,090.89-10,635.05-3,580.07

Finding the Fourth Proportional to 7,090.89, 10,635.05 and 3,580.07

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Solution

The fourth proportional to 7,090.89, 10,635.05 and 3,580.07 is: 5,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.89 : 10,635.05 = 3,580.07 : x
  2. Step 2: Convert to fraction form
    7,090.89/10,635.05 = 3,580.07/x
  3. Step 3: Cross multiply
    7,090.89x = 10,635.05 × 3,580.07
  4. Step 4: Simplify right side
    7,090.89x = 38,074,248.82
  5. Step 5: Solve for x
    x = 38,074,248.82/7,090.89
  6. Step 6: Final answer
    x = 5,369.46

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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.